•
Peter Alexandrovich Saburov (Russia, 1835–1918) •
Peter Petrovich Saburov (Russia, Switzerland, 1880–1932) •
Antonio Sacconi (Italy, 1895–1968) •
Tania Sachdev (India, born 1986) •
Matthew Sadler (England, born 1974) •
Darmen Sadvakasov (Kazakhstan, born 1979) •
Yousof Safvat (Iran, 1940–2003) •
Pierre Charles Fournier de Saint-Amant (France, 1800–1872) •
Jaroslav Šajtar (Czechoslovakia, 1921–2003) •
Konstantin Sakaev (Russia, born 1974) •
Yuri Sakharov (Ukraine, 1922–1981) •
Valery Salov (Russia, born 1964) •
Alessandro Salvio (Italy, c. 1570 – c. 1640) •
Gersz Salwe (Poland, 1862–1920) •
Friedrich (Fritz) Sämisch (Germany, 1896–1975) •
Sergiu Samarian (Romania, Germany, 1923–1991) •
Grigory Sanakoev (Russia, 1935–2021) •
Luis Augusto Sánchez (Colombia, 1917–1981) •
Albert Sandrin Jr. (US, 1923–2004) •
Raúl Sanguineti (Argentina, 1933–2000) •
Anthony Santasiere (US, 1904–1977) •
Emmanuel Sapira (Romania, Belgium, 1900–1943) •
Ortvin Sarapu (Estonia, New Zealand, 1924–1999) •
Jonathan Sarfati (Australia, New Zealand, born 1964) •
Gabriel Sargissian (Armenia, born 1983) •
Ivan Šarić (Croatia, born 1990) •
Nihal Sarin (India, born 2004) •
Zoltan Sarosy (Hungary, Canada, 1906–2017) •
Jacob Sarratt (England, 1772–1819) •
Jeff Sarwer (Canada, born 1978) •
Krishnan Sasikiran (India, born 1981) •
Harold Saunders (England, 1875–1950) •
Stanislav Savchenko (Ukraine, born 1967) •
Vladimir Savon (Ukraine, 1940–2005) •
Gyula Sax (Hungary, 1951–2014) •
Emil Schallopp (Germany, 1843–1919) •
Morris Schapiro (Lithuania, US, 1903–1996) •
Willem Schelfhout (Netherlands, 1874–1951) •
Theodor von Scheve (Germany, 1851–1922) •
Emanuel Schiffers (Russia, 1850–1904) •
Willi Schlage (Germany, 1888–1940) •
Carl Schlechter (Austria, 1874–1918) •
Roland Schmaltz (Germany, born 1974) •
Carl Friedrich Schmid (Latvia, 1840–1897) •
Lothar Schmid (Germany, 1928–2013) •
Paul Felix Schmidt (Estonia, Germany, US, 1916–1984) •
Włodzimierz Schmidt (Poland, born 1943) •
Ludwig Schmitt (Germany, 1902–1980) •
Wilhelm Schönmann (Germany, 1889–1970) •
Georg Schories (Germany, 1874–1934) •
Karl Schorn (Germany, 1803–1850) •
Arnold Schottländer (Germany, 1854–1909) •
František Schubert (Czechoslovakia, 1894–1940) •
John William Schulten (US, 1821–1875) •
Jan Schulz (Czechoslovakia, 1899–1953) •
Aaron Schwartzman (Argentina, 1908–2013) •
Gabriel Schwartzman (Romania, US, born 1976) •
Leon Schwartzmann (Poland, France, 1887–1942) •
Paulette Schwartzmann (Latvia, France, Argentina, 1894–1953?) •
Adolf Schwarz (Hungary, Austria, 1836–1910) •
Jacques Schwarz (Austria, 1856–1921) •
Samuel Schweber (Argentina, 1936–2017) •
Marie Sebag (France, born 1986) •
Yasser Seirawan (Syria, US, born 1960) •
Adolf Seitz (Germany, Argentina, 1898–1970) •
Alexey Selezniev (Russia, France, 1888–1967) •
Lidia Semenova (Ukraine, born 1951) •
Olav Sepp (Estonia, born 1969) •
Edward Guthlac Sergeant (England, 1881–1961) •
Philip Walsingham Sergeant (England, 1872–1952) •
Aleksandr Sergeyev (Russia, 1897–1970) •
Dražen Sermek (Slovenia, born 1969) •
Gregory Serper (Uzbekistan, US, born 1969) •
Samuel Sevian (US, born 2000) •
Alexander Shabalov (Latvia, US, born 1967) •
Eglantina Shabanaj (Albania, born 1979) •
Greg Shahade (US, born 1978) •
Jennifer Shahade (US, born 1980) •
Leonid Shamkovich (Russia, Israel, US, 1923–2005) •
Gauri Shankar (India, born 1992) •
Samuel Shankland (US, born 1991) •
Andrey Shariyazdanov (Russia, born 1976) •
Elizabeth Shaughnessy (Ireland, US, born 1937) •
Shen Yang (China, born 1989) •
James Sherwin (US, England, born 1933) •
Sergei Shipov (Russia, born 1966) •
Kamran Shirazi (Iran, US, France, born 1952) •
Alexei Shirov (Latvia, Spain, born 1972) •
Roman Shogdzhiev (Russia, born 2015) •
Nigel Short (England, born 1965) •
Jackson Showalter (US, 1860–1935) •
Yury Shulman (Belarus, US, born 1975) •
Ilya Shumov (Russia, 1819–1881) •
Polina Shuvalova (Russia, born 2001) •
Félix Sicre (Cuba, 1817–1871) •
Bruno Edgar Siegheim (Germany, South Africa, 1875–1952) •
Guðmundur Sigurjónsson (Iceland, born 1947) •
Jeremy Silman (US, 1954–2023) •
Vladimir Simagin (Russia, 1919–1968) •
Albert Simonson (US, 1914–1965) •
Amon Simutowe (Zambia, born 1982) •
Marcel Sisniega Campbell (Mexico, 1959–2013) •
Stanislaus Sittenfeld (Poland, France, 1865–1902) •
Bodhana Sivanandan (England, born 2015) •
Sanan Sjugirov (Russia, born 1993) •
Karel Skalička (Czechoslovakia, Argentina, 1896–1979) •
Almira Skripchenko (Moldova, France, born 1976) •
Bogdan Śliwa (Poland, 1922–2003) •
Sam Sloan (United States, born 1944) •
Roman Slobodjan (Germany, born 1975) •
Jørn Sloth (Denmark, born 1944) •
Jan Smeets (Netherlands, born 1985) •
Jan Smejkal (Czechoslovakia, born 1946) •
David Smerdon (Australia, born 1984) •
Shlomo Smiltiner (Israel, 1915–2015) •
Ilya Smirin (Belarus, Israel, born 1968) •
Pavel Smirnov (Russia, born 1982) •
Stephen Francis Smith (Canada, England, 1861–1928) •
Vasily Osipovich Smyslov (Russia, 1881–1943) •
Vasily Smyslov (Russia, 1921–2010) •
Wesley So (Philippines, born 1993) •
Bartosz Soćko (Poland, born 1978) •
Monika Soćko (Poland, born 1978) •
Andrei Sokolov (Russia, France, born 1963) •
Ivan Sokolov (Bosnia, Netherlands, born 1968) •
Alexey Sokolsky (Russia, Ukraine, Belarus, 1908–1969) •
Dragan Šolak (Serbia, born 1980) •
Alexander Solovtsov (Russia, 1847–1923) •
Andrew Soltis (US, born 1947) •
Julien Song (France, born 1993) •
Ariel Sorín (Argentina, born 1967) •
Genna Sosonko (Russia, Netherlands, born 1943) •
Victor Soultanbeieff (Russia, Belgium, 1895–1972) •
Vladimir Sournin (Russia, US, 1875–1942) •
João de Souza Mendes (Brazil, 1892–1969) •
Hugo Spangenberg (Argentina, born 1975) •
Vasil Spasov (Bulgaria, born 1971) •
Boris Spassky (Russia, France, 1937–2025) •
Jon Speelman (England, born 1956) •
Abraham Speijer (Netherlands, 1873–1956) •
Rudolf Spielmann (Austria, Sweden, 1883–1942) •
Kevin Spraggett (Canada, born 1954) •
Ana Srebrnič (Slovenia, born 1984) •
Gideon Ståhlberg (Sweden, 1908–1967) •
Wilhelm von Stamm (Latvia, before 1899–1905) •
Philipp Stamma (Syria, England, France, 1705–1755) •
Fabian Stanach (Poland, born 1980) •
Nikolaus Stanec (Austria, born 1968) •
Charles Stanley (England, US, 1819–1901) •
Nava Starr (Latvia, Canada, born 1949) •
Howard Staunton (England, 1810–1874) •
Michael Stean (England, born 1953) •
Antoaneta Stefanova (Bulgaria, born 1979) •
Hannes Stefánsson (Iceland, born 1972) •
Elias Stein (Alsace, Netherlands, 1748–1812) •
Leonid Stein (Ukraine, 1934–1973) •
Endre Steiner (Hungary, 1901–1944) •
Lajos Steiner (Hungary, Australia, 1903–1975) •
Herman Steiner (Slovakia/Hungary, US, 1905–1955) •
Wilhelm Steinitz (Bohemia, Austria, England, US, 1836–1900) •
Daniël Stellwagen (Netherlands, born 1987) •
Károly Sterk (Hungary, 1881–1946) •
Adolf Stern (Germany, 1849–1907) •
Agnes Stevenson (England, before 1901–1935) •
Lara Stock (Croatia, born 1992) •
Mark Stolberg (Russia, 1922–1943) •
Gösta Stoltz (Sweden, 1904–1963) •
Leon Stolzenberg (Poland, US, 1895–1974) •
Zurab Sturua (Georgia, born 1959) •
Mihai Șubă (Romania, born 1947) •
Mladen Šubarić (Croatia, 1908–1991) •
Hugo Süchting (Germany, 1874–1916) •
Alexey Suetin (Russia, 1926–2001) •
Berthold Suhle (Poland, Germany, 1837–1904) •
Franciszek Sulik (Poland, Argentina, Australia, 1908–2000) •
Šarūnas Šulskis (Lithuania, born 1972) •
Aaron Summerscale (England, born 1969) •
Anne Sunnucks (England, 1927–2014) •
Jaime Sunye Neto (Brazil, born 1957) •
Emil Sutovsky (Azerbaijan, Israel, born 1977) •
Duncan Suttles (Canada, born 1945) •
Evgeny Sveshnikov (Latvia, 1950–2021) •
Dmitry Svetushkin (Moldova, 1980–2020) •
Peter Svidler (Russia, born 1976) •
Rudolf Swiderski (Germany, 1878–1909) •
Eugenio Szabados (Hungary, Italy, 1898–1974) •
László Szabó (Hungary, 1917–1998) •
Gedali Szapiro (Poland, Israel, 1929–1972) •
Salomon Szapiro (Poland, 1882–1944) •
Rudolph Sze (China, US, c.1890–1938) •
József Szén (Hungary, 1805–1857) •
József Szily (Hungary, 1913–1976) •
Jorge Szmetan (Argentina, 1950–2015) •
Aleksander Sznapik (Poland, born 1951) •
Abram Szpiro (Germany, Poland, 1912–1943) == T ==