Rulers and nobles •
Oleg the Wise, 9th–10th-century leader and conqueror of Kievan Rus' •
Oleg of Dereva (died 977), prince of the
Derevlians •
Oleg I of Chernigov, Oleg Svyatoslavich of Tmutarakan, 11th–12th century Rus' prince and progenitor of the
Olgovichi of Chernigov •
Oleg I of Ryazan, 13th-century prince of Ryazan •
Oleg II of Ryazan, Grand Prince of Ryazan from 1350 to 1402 •
Oleg III Svyatoslavich (Prince of Chernigov) (c. 1147–1204) •
Oleg Yaroslavich (1161?–1189), prince of Galicia •
Prince Oleg Konstantinovich of Russia (1892–1914), son of Grand Duke Konstantin Konstantinovich of Russia
Others •
Oleg Akkuratov (born 1989), Russian musician and singer •
Oleg Aleksandrov (1937–1997), Soviet rower •
Oleg Alekseev (1953–2015), Soviet wrestler •
Oleg Alekseyev (politician) (born 1967), Russian politician •
Oleg Aleynik (born 1989), Russian professional football player •
Oleg Amirbayov (born 1986), Azerbaijani actor •
Oleg Andronic (born 1989), Moldovan footballer •
Oleg Anfimov (1937–2019), Soviet engineer and politician •
Oleg Anikanov (1933–2021), Soviet military officer •
Oleg Anofriyev (1930–2018), Soviet and Russian stage and screen actor, voice actor, singer, songwriter, film director, poet •
Oleg Antonenko (born 1971), Belarusian professional ice hockey left wing •
Oleg Antonov (disambiguation), several people •
Oleg Artemyev (born 1970), Russian cosmonaut •
Oleg Asadulin (born 1971), Russian film director, screenwriter and producer •
Oleg Atkov (born 1949), Russian cosmonaut •
Oleg Avramov (born 1968), Russian footballer •
Oleg Babenkov (born 1985), Russian professional football player •
Oleg Bakhmatyuk (born 1974), Ukrainian businessman and politician •
Oleg Baklanov (1932–2021), Soviet/Ukrainian politician, scientist and businessman •
Oleg Baklov (born 1994), Russian footballer •
Oleg Balan (born 1969), Moldovan jurist and politician •
Oleg Basilashvili (born 1934), Soviet/Russian film and theatre actor •
Oleg Bejenar (1971–2023), Moldovan-Ukrainian football player and manager •
Oleg Belakovsky (1921-2015), Soviet sports doctor •
Oleg Belaventsev (born 1949), Russian military figure and statesman •
Oleg Belokonev (born 1965), Belarusian general •
Oleg Belov (born 1973), Russian ice hockey player •
Oleg Belozyorov (born 1969), Russian politician •
Oleg Belyakov (born 1972), Soviet football goalkeeper •
Oleg Berdos (born 1987), Moldovan road bicycle racer •
Oleg Bernov, musician and member of Russian-American rock band Red Elvises •
Oleg Besov (born 1933), Russian mathematician •
Oleg Betin (1950–2023), the
governor of Oblast in Russia •
Oleg Bezuglov (born 1984), musical artist •
Oleg Blinov (born 1978), Russian cosmonaut •
Oleg Blokhin (born 1952), Ukrainian football coach •
Oleg Bodrug (born 1965), Moldovan politician •
Oleg Bogayev (born 1970), Russian playwright based in Yekaterinburg •
Oleg Bogomolov (born 1950), governor of Kurgan Oblast •
Oleg Bolkhovets (born 1976), Russian long-distance runner •
Oleg Boltin (born 1993), Kazakhstani professional wrestler and former amateur wrestler •
Oleg Bolyakin (born 1965), Kazakhstani ice hockey player •
Oleg Bondarik (born 1976), Belarusian cyclist •
Oleg Borisov (1929–1994), Russian film and theatre actor •
Oleg Botsiev, Ambassador of South Ossetia to Abkhazia •
Oleg Bovin (born 1946), Russian water polo player •
Oleg Boyko (born 1964), Russian businessman •
Oleg Bozhev (born 1961), Soviet speed skater •
Oleg Brega (born 1973), Moldovan journalist and activist •
Oleg Bryjak (1960–2015), Kazakhstani operatic bass-baritone •
Oleg Budargin (born 1960), governor of Taymyr Autonomous Okrug in Russia •
Oleg Burlakov (1949–2021), Russian inventor, entrepreneur and billionaire •
Oleg Buryan (born 1959), Russian artist •
Oleg Butković (born 1979), Croatian politician •
Oleg Butman (born 1966), Russian jazz drummer •
Oleg Caetani (born 1956), conductor of Russian and Italian descent •
Oleg Cassini (1913–2006), French-born American fashion designer •
Oleg Chen (born 1988), Russian weightlifter •
Oleg Chernyshov (born 1986), Russian professional football player •
Oleg Chiritso (born 1964), Belarusian weightlifter •
Oleg Chirkunov (born 1958), governor of Perm Krai, Russia •
Oleg Chistyakov (born 1976), Russian professional football player •
Oleg Chizhov (born 1970), Russian serial killer and rapist •
Oleg Chmyrikov (born 1996), Belarusian professional footballer •
Oleg Chukhleba (born 1967), Kazakhstani footballer •
Oleg Chukhontsev (born 1938), Russian poet •
Oleg Chuzhda (born 1985), Ukrainian cyclist •
Oleg Clonin (born 1988), Moldovan football player •
Oleg Crețul (born 1975), Moldovan judoka •
Oleg Dahl (1941–1981), Soviet actor •
Oleg Dal (1941–1981), Soviet actor •
Oleg Danilov (1949–2021), Russian playwright and screenwriter •
Oleg Davydov (1940–2006), Russian economist •
Oleg Davydov (ice hockey) (born 1971), Russian ice hockey player •
Oleg Delov (born 1963), Russian professional football coach and a former player •
Oleg Dementiev (1938–1991), Russian chess player •
Oleg Denishchik (born 1969), triple jumper who represented the USSR and later Belarus •
Oleg Deripaska (born 1968), Russian business oligarch •
Oleg Dimitrov (born 1996), Bulgarian footballer •
Oleg Dimov (born 1968), Russian politician •
Oleg Dineyev (born 1987), Russian footballer •
Oleg Dmitrenko (born 1984), Russian professional football player •
Oleg Dmitriyev (disambiguation), several people •
Oleg Dobrodeev (born 1959), Russian journalist and media manager •
Oleg Dolmatov (born 1948), former Russian footballer and a current manager •
Oleg Dovgopol (born 1975), Transnistrian politician •
Oleg Dozmorov (born 1974), Russian writer and poet •
Oleg Drozdov (born 1966), Ukrainian architect, artist and teacher •
Oleg Dudarin (born 1945), Russian professional football coach and a former player •
Oleg Dulub (born 1965), Belarusian footballer •
Oleg Dyomin (born 1947), former Ambassador Extraordinary and Plenipotentiary of Ukraine to the Russian Federation •
Oleg Efrim (born 1975), Moldovan politician and jurist •
Oleg Emirov (1970–2021), Russian composer, arranger and keyboardist •
Oleg Engachev (born 1967), Qatari sports shooter •
Oleg Eremeev (1922–2016), Russian painter •
Oleg Fatun (born 1959), Russian former track and field sprinter •
Oleg Fediukov (born 1972), American ice dancer •
Oleg Felzer (1939–1998), Azerbaijani composer •
Oleg Fesov (born 1963), musical artist •
Oleg Fistican (born 1975), Moldovan footballer and manager •
Oleg Flentea (born 1964), Moldovan footballer •
Oleg Fomenko (born 1972), Russian footballer •
Oleg Fotin (born 1945), Russian swimmer •
Oleg Gaidukevich (born 1977), Belarusian politician •
Oleg Galkin (1965–2003), Soviet and Ukrainian cyclist •
Oleg Garapuchik (born 1997), Belarusian footballer •
Oleg Garin (disambiguation), several people •
Oleg Gazenko (1918–2007), Soviet scientist and general officer •
Oleg Gazmanov (born 1951), Russian singer, composer and poet •
Oleg Gerasimenko (born 1990), Russian footballer •
Oleg Gogol (born 1968), Belarusian wrestler •
Oleg Golikov (born 1968), Russian politician •
Oleg Golovanov (1934–2019), Russian rower •
Oleg Goncharenko (1931–1986), Soviet speed skater •
Oleg Gordievsky (1938–2025), Soviet KGB agent who defected to the UK •
Oleg Gorobiy (born 1971), Russian canoeist •
Oleg Goroshko (born 1989), Belarusian ice hockey player •
Oleg Govorun (born 1969), Russian politician •
Oleg Grabar (1929–2011), French archeologist and historian of Islamic art, working in the United States •
Oleg Grachev (born 1974), Russian ice hockey player •
Oleg Grams (born 1984), Russian handball player •
Oleg Grebnev (born 1968), Russian handball player •
Oleg Grigoryev (born 1937), Russian boxer •
Oleg Grinevsky (1930–2019), Russian diplomat •
Oleg Grishkin (born 1975), Russian cyclist •
Oleg Grushecki (born 1974), Belarusian writer and translator •
Oleg Gubanov (born 1977), Russian footballer •
Oleg Gubin (born 1981), Russian ice hockey player •
Oleg Gudymo (1944–2024), Transnistrian politician •
Oleg Gusev (disambiguation), several people •
Oleg Gutsol (born 1982), Ukrainian-Canadian internet entrepreneur •
Oleg Haslavsky (1948–2021), Russian poet, painter and translator •
Oleg Hromțov (born 1983), Moldovan footballer •
Oleg Ichim (born 1979), Moldovan footballer •
Oleg Imrekov (1962–2014), Russian footballer •
Oleg Isayenko (born 2000), Russian footballer •
Oleg Ishchenko (born 1994), rugby player •
Oleg Ishutkin (born 1975), Russian race walker •
Oleg Itskhoki (born 1983), Russian-American economist •
Oleg Ivaninsky (born 1966), Russian politician •
Oleg Ivanov (born 1986), Russian footballer •
Oleg Ivanov (footballer, born 1967), Russian footballer •
Oleg Ivanovsky (1922–2014), Soviet aerospace engineer •
Oleg Ivenko (born 1996), Ukrainian ballet dancer and actor •
Oleg Izhboldin, Russian mathematician •
Oleg D. Jefimenko (1922–2009), Ukrainian-American physicist and Professor Emeritus at West Virginia University •
Oleg Juravlyov (born 1982), Uzbekistani painter •
Oleg Kagan (1946–1990), Soviet violinist •
Oleg Kalashnikov (1962–2015), Ukrainian politician •
Oleg Kalidov (born 1951), Soviet canoeist •
Oleg Kalugin (born 1934), Russian activist and KGB general •
Oleg Kalugin (footballer) (born 1989), Russian footballer •
Oleg Kamshylov (born 1969), Russian statesman and lawyer •
Oleg Kapustnikov (born 1972), Kazakhstani footballer •
Oleg Karavaychuk (1927–2016), Russian composer •
Oleg Karavayev (1936–1978), Soviet wrestler •
Oleg Karpov (born 1965), Soviet equestrian •
Oleg Kazmirchuk (born 1968), Kyrgyzstani and Ukrainian footballer •
Oleg Kashin (born 1980), Russian journalist and writer •
Oleg Kechko (born 1967), Belarusian weightlifter •
Oleg Ken (1960–2007), Russian historian •
Oleg Kerensky (1905–1984), Russian civil engineer •
Oleg Khafizov (born 1959), Russian writer •
Oleg Khandayev (born 1964), Soviet hockey player •
Oleg Kharytonov (born 1988), Ukrainian canoeist •
Oleg Khlestov (1923–2021), Soviet diplomat •
Oleg Khlevniuk (born 1959), Russian historian •
Oleg Khmyl (born 1970), Belarusian ice hockey player •
Oleg Khodkov (born 1974), Russian handball player •
Oleg Khoma (born 1966), Ukrainian translator and historian •
Oleg Khopyorsky (born 1959), Olympic sailor from the Soviet Union •
Oleg Khorokhordin (born 1972), Russian politician •
Oleg Khorzhan (1976–2023), Transnistrian politician •
Oleg Khvatsovas (1967–2021), Belarusian sport shooter •
Oleg Khvostov (born 1972), Russian painter •
Oleg Kiselyov (born 1967), Russian handball player •
Oleg Komov (1932–1994), Russian sculptor •
Oleg Dmitriyevich Kononenko (born 1964), Russian cosmonaut •
Oleg Grigoriyevich Kononenko (1938–1980), Soviet cosmonaut •
Oleg Kononov (born 1966), Russian footballer •
Oleg Kornienko (born 1973), Kazakhstani-Russian footballer •
Oleg A. Korolev (born 1968), Russian artist •
Oleg Kosarev (born 1966), Soviet-Russian serial rapist •
Oleg Koshevoy (1926–1943), Soviet partisan and co-founder of the Soviet resistance group, the Young Guard •
Oleg Kostin (born 1992), Russian swimmer •
Oleg Kosyak (born 1975), Ukrainian gymnast and sports coach •
Oleg Kotov (born 1965), Russian physician and cosmonaut •
Oleg Kovalenko (ice hockey) (born 1975), Russian ice hockey player •
Oleg Kovalyov (disambiguation), several people •
Oleg Kozhemyakin (born 1995), Russian footballer •
Oleg Kozhemyako (born 1962), Russian politician •
Oleg Krasikov (born 1999), Russian curler •
Oleg Krasilnichenko (born 1997), Russian footballer •
Oleg Krishtal, Ukrainian neurophysiologist •
Oleg Krivonogov (1938–2021), Soviet and Russian diplomat •
Oleg Krivonosov (born 1961), Latvian chess player •
Oleg Kroshkin (1950–2020), Belarusian artist •
Oleg Krushin (1966–1992), Russian footballer •
Oleg Kryazhev (born 1970), Kazakhstani ice hockey player •
Oleg Kryoka (born 1987), Ukrainian Greco-Roman wrestler •
Oleg Leonidovich Kryzhanovsky (1918–1997), Russian entomologist •
Oleg Kubarev (born 1966), Belarusian footballer and manager •
Oleg Kudryashov (1932–2022), Russian painter and printmaker •
Oleg Kukhta (born 1970), Russian singer songwriter •
Oleg Kuleshov (born 1974), Russian handball player •
Oleg Kuleshov (skier) (born 1976), Belarusian freestyle skier •
Oleg Kulik, Ukrainian-born Russian artist •
Oleg Kulkov (born 1978), Russian marathon runner •
Oleg Kurguskin (born 1966), Russian motorcycle speedway rider •
Oleg Kutscherenko (born 1968), Ukrainian-German wrestler •
Oleg Kuvaev (born 1967), Russian artist, designer and animator •
Oleg Kuvshinnikov (born 1965), Russian politician •
Oleg Kuzhlev (born 1966), Russian footballer •
Oleg Kuzmin (born 1981), Russian footballer •
Oleg Kuznetsov (serial killer) (1969–2000), Soviet-Russian serial killer and rapist •
Oleg Ladik (born 1971), Ukrainian-born Canadian Olympic wrestler •
Oleg Lanin (born 1996), Russian footballer •
Oleg Lebedev (disambiguation), several people •
Oleg Leonov (disambiguation), several people •
Oleg Lepik (born 1973), Russian-born Estonian footballer •
Oleg Li (born 1991), Russian ice hockey player •
Oleg Lidrik (born 1971), Russian footballer and official •
Oleg Lipchenko (born 1957), Canadian artist and illustrator •
Oleg Litvinenko (1973–2007), Kazakhstani footballer •
Oleg Lobov (1937–2018), Russian politician •
Oleg Lomakin (1924–2010), Russian painter •
Oleg Losev (1903–1942), Russian scientist and inventor •
Oleg Lotov (born 1975), Kazakhstani footballer •
Oleg Lundstrem (1916–2005), Russian composer •
Oleg Lupanov (1932–2006), Russian mathematician •
Oleg Lyalin (1937–1995), Soviet agent who defected from the KGB •
Oleg Lyashko (disambiguation), several people •
Oleg Lyubelskiy (1962–1994), Russian footballer •
Oleg Maisenberg (1945–2026), Russian-Austrian pianist and teacher •
Oleg Makara (born 1954), Slovak director and writer •
Oleg Makarevich (born 1962), Russian general •
Oleg Makarov (disambiguation), several people •
Oleg Maltsev (born 1967), Russian judoka •
Oleg Maltsev (psychologist) (born 1975), Ukrainian psychologist •
Oleg Olegovich Malyukov (born 1985), Russian footballer and coach •
Oleg Manaev (born 1952), Belarusian sociologist •
Oleg Marichev (born 1945), Russian mathematician •
Oleg Markov (born 1996), Australian rules footballer •
Oleg Maskaev (born 1969), Russian-American boxer •
Oleg Matveychev (born 1970), Russian politician •
Oleg Matytsin (born 1964), Russian statesman •
Oleg Mavromati (born 1965), Russian artist-actionist and a filmmaker •
Oleg Medvedev (born 1985), Russian luger •
Oleg Mekhov (born 1966), Russian footballer •
Oleg Melnichenko (born 1973), Russian politician •
Oleg Menshikov (born 1960), Russian actor, theater director and singer •
Oleg Mikhaylov (disambiguation), several people •
Oleg Mikulchik (born 1964), Belarusian ice hockey player •
Oleg V. Minin (born 1960), Russian physicist •
Oleg Minko (1938–2013), Ukrainian painter •
Oleg Mirny (born 1963), Russian footballer and coach •
Oleg Miron (born 1956), Olympic sailor from the Soviet Union •
Oleg Mishukov (born 1980), Russian sprinter •
Oleg Mityaev (born 1956), Russian bard, musician and actor •
Oleg Mityaev (general), Russian major-general •
Oleg Moldovan (born 1966), Moldovan sport shooter •
Oleg Moliboga (1953–2022), Russian volleyball player and coach •
Oleg Morgun (born 1967), Ukrainian separatist politician •
Oleg Morozov (disambiguation), several people •
Oleg Murachyov (born 1995), Russian footballer •
Oleg Murayenko, executed Kazakhstani serial killer •
Oleg Musin (born 1975), Kazakhstani footballer •
Oleg Mutt (1920–1986), Estonian linguist and translator •
Oleg Mutu (born 1972), Romanian cinematographer and film producer •
Oleg Nagornov (born 1956), Russian physicist and mathematician •
Oleg Narinyan (born 1961), Russian curler and coach •
Oleg Naumenko (born 1986), Ukrainian wheelchair fencer •
Oleg Naumov, Russian mass murderer •
Oleg Nechayev (born 1971), Russian footballer •
Oleg Nedashkovskiy (born 1987), Kazakhstani footballer •
Oleg Negrobov (1941–2021), Russian entomologist •
Oleg Neikirch (1914–1985), Bulgarian chess player •
Oleg Nejlik (born 1984), Swedish singer •
Oleg Nikiforenko (born 2001), Belarusian footballer •
Oleg Nikolaenko (born 1987), Russian computer programmer, accused cyber-spammer •
Oleg Nikolayev (disambiguation), several people •
Oleg Nikulin (1970–2006), Russian footballer •
Oleg Nilov (born 1962), Russian politician, Member of the State Duma •
Oleg Normatov (born 1981), Uzbekistani hurdler •
Oleg Novachuk (born 1971), Kazakh businessman, currently Chief Executive of Kazakhmys •
Oleg Novitskiy (born 1971), Russian cosmonaut •
Oleg Ogorodov (born 1972), Uzbekistani tennis player •
Oleg Orlov (born 1953), Russian human rights activist •
Oleg Oshenkov (1911–1976), Soviet footballer •
Oleg Ovsyannikov (born 1970), Russian ice dancer •
Oleg Oznobikhin (born 2002), Russian footballer •
Oleg Pankov (born 1967), Ukrainian cyclist •
Oleg Panteleyev (1952–2016), Russian statesman •
Oleg Panyutin (born 1983), Azerbaijani Paralympic athlete •
Oleg Parada (born 1969), Russian footballer •
Oleg Pashinin (born 1974), Uzbekistani footballer •
Oleg Pavlov (1970–2018), Russian writer •
Oleg Pavlov (speed skater) (born 1966), Russian speed skater •
Oleg Penkovsky (1919–1963), Soviet colonel •
Oleg Perepelitsyn (born 1969), Russian footballer •
Oleg Perepetchenov (born 1975), Russian weightlifter •
Oleg Petrosyan (born 1977), Russian serial killer •
Oleg Petrov (born 1971), Russian former ice hockey right winger •
Oleg Petrov (bobsleigh) (born 1967), Russian bobsledder •
Oleg Petrov (footballer) (born 1968), Russian footballer •
Oleg Pichugin (born 1974), Russian footballer and coach •
Oleg Piganovich (born 1985), Russian ice hockey player •
Oleg Pinchuk (born 1960), Ukrainian artist •
Oleg Platonov (born 1950), Russian holocaust denier •
Oleg Platov (born 1983), Russian holocaust denier •
Oleg Podruzhko (born 1964), Russian footballer •
Oleg Pogodin (born 1965), Russian film director and screenwriter •
Oleg Pogudin (born 1968), Russian actor and singer •
Oleg Polyakov (born 1990), Russian footballer •
Oleg Polyarush (born 1977), Ukrainian footballer •
Oleg Ponomarev (born 1992), Russian Paralympic Nordic skier •
Oleg Ponomaryov (born 1991), Russian footballer •
Oleg Popov (1930–2016), Soviet and Russian clown and circus artist •
Oleg Postnov (born 1962), Russian author •
Oleg Pravilo (born 1988), Russian footballer •
Oleg Prezhdo (born 1970), Ukrainian-American physical chemist •
Oleg Prihodko (born 1997), Ukrainian tennis player •
Oleg Prokofiev (1928–1998), Russian artist, son of Sergei Prokofiev •
Oleg Proleskovsky, Belarusian politician •
Oleg Protopopov (1932–2023), Russian figure skater •
Oleg Prudius (born 1972), Ukrainian professional wrestler known by his ring name Vladimir Kozlov •
Oleh Psiuk (born 1994), Ukrainian rapper and songwriter, who is the founder and frontman of the rap group
Kalush •
Oleg Pukhnatiy (born 1975), Uzbekistani swimmer •
Oleg Rabota (born 1990), Kazakhstani swimmer •
Oleg Radushko (born 1967), Belarusian footballer and coach •
Oleg Rayko (born 1945), Soviet middle distance runner •
Oleg Reabciuk (born 1998), Moldovan footballer •
Oleg Reidman (born 1952), Moldovan politician •
Oleg Riabokon (born 1973), Ukrainian lawyer and politician •
Oleg Roganov (born 1995), Russian footballer •
Oleg Romanishin (born 1952), Ukrainian chess player •
Oleg Romanov (ice hockey) (born 1970), Belarusian ice hockey player •
Oleg Romanov (politician) (born 1975), Belarusian politician •
Oleg Romantsev (born 1954), Russian footballer and manager •
Oleg Rozin (born 1965), Russian footballer •
Oleg Rudnov (1948–2015), Russian businessman •
Oleg Rukhlevich (1974–2023), Belarusian swimmer •
Oleg Ryakhovskiy (1933–2023), Soviet triple jumper •
Oleg Rydny (born 1967), Russian footballer and coach •
Oleg Rykhlevich (born 1974), Belarusian freestyle swimmer •
Oleg Rylkov, Russian serial killer, serial rapist and pedophile •
Oleg Ryzhenkov (born 1967), Belarusian biathlete •
Oleg Sadikhov (born 1966), Israeli Olympic weightlifter •
Oleg Saitov (born 1974), Russian boxer •
Oleg Sakirkin (1966–2015), Kazakh and Soviet triple jumper •
Oleg Salenko (born 1969), Russian-Ukrainian footballer •
Oleg Salnikov (born 1975), Russian footballer •
Oleg Salyukov (born 1955), Russian army general •
Oleg Samatov (born 1965), Russian footballer •
Oleg Samorukov (born 1972), Russian footballer and coach •
Oleg Samsonov (born 1987), Russian footballer •
Oleg Sapožnin (1931–2014), Estonian sports official and sports personnel •
Oleg Saprykin (born 1981), Russian ice hockey player •
Oleg Savchenko (disambiguation), several people •
Oleg Savelyev (born 1965), Russian politician •
Oleg Seleznyov (1959–2021), Russian politician •
Oleg Semyonov-Tyan-Shansky (1906–1990), Soviet ornithologist •
Oleg Sentsov (born 1976), Ukrainian filmmaker, writer and activist •
Oleg Serbin (born 1982), Ukrainian librarian •
Oleg Serebrian (born 1969), Moldovan diplomat and politician •
Oleg Sergeyev (born 1968), Russian footballer •
Oleg Sergeyev (sprinter) (born 1975), Russian sprinter •
Oleg Shafarenko (born 1981), Ukrainian ice hockey player •
Oleg Shalayev (born 1992), Russian footballer •
Oleg Shamaev (born 1982), Uzbekistani alpine skier •
Oleg Shargorodsky (born 1969), Russian ice hockey player •
Oleg Shatov (born 1990), Russian footballer •
Oleg Shatskikh (born 1974), Uzbekistani footballer •
Oleg Shatunov (born 1967), Russian volleyball player •
Oleg Shcherbakov (born 1966), Russian association football player •
Oleg Shein (born 1972), Russian politician •
Oleg Shelestenko (born 1972), Spanish canoeist •
Oleg Shelyutov (born 1988), Russian footballer •
Oleg Shenin (1937–2009), Soviet politician •
Oleg Shevtsov (born 1971), Russian ice hockey player •
Oleg Shinkaryov (born 1965), Russian footballer and official •
Oleg Shteynikov (born 1985), Kazakhstani freestyle swimmer •
Oleg Shupliak (born 1967), Ukrainian artist •
Oleg Shutov (born 1988), Ukrainian footballer •
Oleg Skopintsev (born 1984), Russian handball player •
Oleg Skorkin (1961–2025), Russian footballer •
Oleg Skripochka (born 1969), Russian engineer and cosmonaut •
Oleg Skrypka (born 1964), Ukrainian musician, vocalist, composer, and leader of the group
Vopli Vidoplyasova •
Oleg Smolin (born 1952), Russian politician and philosopher •
Oleg Smirnov (disambiguation), several people •
Oleg Sobirov (born 1981), Uzbekistani footballer •
Oleg Sokolov (born 1956), Russian historian and convinced murder •
Oleg Soldatov (born 1963), Russian conductor •
Oleg Solodovnik (born 1966), Russian and Ukrainian futsal coach •
Oleg Solomakhin (born 1971), Belarusian rower •
Oleg Solovyov (born 1973), Ukrainian footballer •
Oleg Sõnajalg (1959–2025), Estonian entrepreneur •
Oleg Soskovets (born 1949), Russian politician •
Oleg Starykh, Russian physicist •
Oleg Starynskyi (born 1985), Ukrainian football manager •
Oleg Stefan (born 1959), Ukrainian-born American actor •
Oleg Stepanenko (born 1939), Ukrainian hurdler •
Oleg Stepanov (1939–2010), Russian judoka •
Oleg Stepko (born 1994), Ukrainian and Azerbaijani artistic gymnast •
Oleg Stogov (born 1965), Russian footballer •
Oleg Stoyanovskiy (born 1996), Russian beach volleyball player •
Oleg Strakhanovich (born 1979), Belarusian footballer •
Oleg Strizhakov (born 1963), Russian long-distance runner •
Oleg Strizhenov (1929–2025), Soviet and Russian actor •
Oleg Sudakov (born 1962), musical artist •
Oleg Sukhoruchenko (born 1965), Russian bobsledder •
Oleg Sushkov, Australian nuclear physicist •
Oleg Suvorov (born 1997), Russian footballer •
Oleg Sveshnikov, Soviet rower •
Oleg Svyatoslavich (disambiguation), several people •
Oleg Syomin (born 1974), Russian footballer •
Oleg Syrokvashko (1961–2016), Belarusian footballer •
Oleg Tabakov (1935–2018), Soviet and Russian actor •
Oleg Tabunov (born 1969), Russian footballer •
Oleg Taktarov, (born 1967) Russian mixed martial artist and actor •
Oleg Tamarin (1937–2005), Russian composer •
Oleg Tarabanov (born 1997), Russian footballer •
Oleg Tarnovschi (born 1992), Moldovan canoeist •
Oleg Ten (born 1975), Russian serial killer •
Oleg Teryokhin (born 1970), Russian footballer •
Oleg Teziev (born 1948), South Ossetian politician •
Oleg Timofeyev (born 1963), American musicologist •
Oleg Tinkov (born 1967), Russian entrepreneur and businessman •
Oleg Tolbanov (born 1947), Russian physicist •
Oleg Tolmachev (1919–2008), Soviet ice hockey player and coach •
Oleg Tolstikov (1905–1971), Soviet Air Force colonel general • Oleg Tonoritchi (born 1973), Moldovan cyclist •
Oleg Trifonov (born 1981), Russian footballer •
Oleg Troshin (born 1964), Soviet racewalker •
Oleg Troyanovsky (1919–2003), Soviet diplomat •
Oleg Trubachyov (1930–2002), Soviet and Russian linguist •
Oleg Tsaryov (born 1970), Ukrainian-Russian politician, businessman and separatist •
Oleg Tselkov (1934–2021), Russian nonconformist artist •
Oleg Tsepkin (born 1965), Russian politician •
Oleg Tsokov (1971–2023), Russian general •
Oleg Tsvetkovskiy (born 1970), Uzbekistani swimmer •
Oleg Țulea (born 1980), Moldovan politician •
Oleg Tverdovsky (born 1976), Ukrainian-Russian ice hockey player •
Oleg Tyurin (1937–2010), Russian rower •
Oleg Umurzakov (1967–2021), Russian footballer •
Oleg Valenchuk (born 1960), Russian politician •
Oleg Valjalo (born 1970), Croatian politician •
Oleg Vasilenko (born 1973), Russian professional football manager •
Oleg Vasiliev (disambiguation), several people •
Oleg Velyky (1977–2010), German handball player •
Oleg Veretelnikov (born 1972), Uzbekistani decathlete •
Oleg Veretennikov (born 1970), Russian footballer •
Oleg Verniaiev (born 1993), Ukrainian gymnast •
Oleg Vernigorov (born 1972), Russian footballer •
Oleg Vikulov (born 1987), Russian diver •
Oleg Vinogradov (born 1937), Russian choreographer and educator •
Oleg Vinogradov (rower) (born 1984), Estonian rower •
Oleg Viro (born 1948), Russian mathematician •
Oleg Vlasov (born 1984), Russian footballer •
Oleg Volkov (born 1958), Russian pianist •
Oleg Volokh (born 1942), Belarusian footballer and manager •
Oleg Voloshyn (born 1981), Russian-Ukrainian journalist, political pundit, and former government official •
Oleg Voskoboynikov (born 1971), Kazakhstani footballer •
Oleg Voyko (born 1980), Ukrainian ice dancer •
Oleg Vyshniakov (born 1965), Ukrainian businessman and public figure •
Oleg Vyugin (born 1952), Russian economist and professor •
Oleg Wirth, Russian serial killer •
Oleg Woolf (1954–2011), Moldovan-Soviet writer •
Oleg Yakovlev (disambiguation), several people •
Oleg Yankovsky (1944–2009), Soviet and Russian actor •
Oleg Yashin (born 1990), Russian ice hockey player •
Oleg Yefremov (1927–2000), Soviet and Russian actor and producer •
Oleg Yelyshev (born 1971), Russian footballer •
Oleg Yem (born 1974), Kazakhstani weightlifter •
Oleg Yeprintsev (born 1962), Russian footballer •
Oleg Yeremeyev (born 1979), Kazakhstani ice hockey player •
Oleg Yermakov (born 1961), Russian writer •
Oleg Yermolin (born 1972), Russian luger •
Oleg Yerofeyev (1940–2022), Russian navy admiral •
Oleg Yeryomin (born 1967), Russian footballer •
Oleg Yesayan (born 1946), Armenian politician and diplomat •
Oleg Yevdokimov (born 1994), Belarusian footballer •
Oleg Yevenko (born 1991), Belarusian ice hockey player •
Oleg Yolkin (born 1986), Russian footballer •
Oleg Zagorodnev (born 1959), Russian field hockey player •
Oleg Zaikin (1972–2006), Russian serial killer •
Oleg Zaionchkovsky (born 1959), Russian author •
Oleg Zatsarinny (1953–2021), Ukrainian-American theoretical and computational physicist •
Oleg Zaytsev (1939–1993), Russian ice hockey player •
Oleg Zelenin (born 1989), Russian footballer •
Oleg Zemlyakov (born 1993), Kazakhstani cyclist •
Oleg Zernikel (born 1995), German pole vaulter •
Oleg Zhegoyev (born 1945), Soviet canoeist •
Oleg Zherebetskyy (born 1986), Ukrainian luger •
Oleg Zhestkov (born 1987), Russian canoeist •
Oleg Zhivetin (born 1964), Russian painter •
Oleg Zhivotnikov (born 1967), Russian footballer •
Oleg Zhukov (born 1976), Russian bicycle racer •
Oleg Zhukovskiy (born 1970), Belarusian high jumper •
Oleg Znarok (born 1963), Latvian ice hockey player •
Oleg Zoteyev (born 1989), Uzbekistani footballer •
Oleg Zurabiani (born 1957), Georgian judoka •
Oleg Zykov (born 1970), Russian footballer and coach == Fictional characters ==