Given name Medieval times •
Guido (composer) (–1374), French composer and cantor •
Guido of Acqui (–1070), bishop of Acqui, Italy •
Guido of Anderlecht (–1012), Belgian saint •
Guido of Arezzo (–after 1033), Italian music theorist •
Guido da Velate, (died 1071) bishop of Milan •
Guido Bonatti (died ), Italian mathematician, astronomer and astrologer •
Guido Cavalcanti (–1300), Italian (Florentine) poet and friend of Dante •
Guido delle Colonne (), Italian writer and contemporary of Dante •
Guido I da Montefeltro (1223–1298), advisor to Pope Boniface VIII •
Guido di Pietro (–1455), Italian Renaissance painter better known as
Fra Angelico •
Guido of Pisa (d. 1169), Italian geographer •
Guido of Siena, 13th-century Italian painter •
Guido II of Spoleto (died 882), Duke of Spoleto and Margrave of Camerino •
Guy III of Spoleto (died 895), King of Italy and Holy Roman Emperor
Later use •
Guido Alvarenga (born 1970), Paraguayan footballer •
Guido Andreozzi (born 1991), Argentine tennis player • •
Guido Barreyro (born 1988), Argentine footballer •
Guido Beck (1903–1988), Argentine physicist •
Guido de Bres (1522–1567), Belgian pastor, theologian, author of Belgic Confession •
Guido Buchwald (born 1961) German footballer •
Guido Buscaglia (born 1996), Argentine swimmer •
Guido Cagnacci (1601–1663), Italian painter •
Guido Calabresi (born 1932), American judge and former Dean of Yale Law School •
Guido Calza (1888–1946) Italian archaeologist •
Guido Cannetti (born 1979), Argentine mixed martial artist •
Guido Cantelli (1920–1956), Italian orchestral conductor •
Guido Cantz (born 1971), German television presenter •
Guido Carrillo (born 1991), Argentine footballer •
Guido Castelnuovo (1865–1952), Italian mathematician •
Guido Corteggiano (born 1987), Argentine footballer •
Guido Cortese (1908–1964), Italian lawyer and politician •
Guido Dal Casón (born 1993), Argentine footballer •
Guido Deiro (1886–1950), Italian-born vaudeville piano-accordionist •
Guido Di Fonzo (born 1996), Argentine footballer •
Guido di Tella (1931–2001), Argentine businessman, academic and diplomat •
Guido Di Vanni (born 1988), Argentine footballer •
Guido Falaschi (1989–2011), Argentine racecar driver •
Guido Fanconi (1892–1979), Swiss pediatrician •
Guy Fawkes (later Guido Fawkes) (1570–1606), English Catholic who attempted to blow up the Houses of Parliament in the Gunpowder Plot •
Guido Fubini (1879–1943), Italian mathematician •
Guido Gezelle (1830–1899), Flemish writer, poet and priest •
Guido Gómez (born 1994), Italian footballer of Argentine descent •
Guido Gorgatti (1919–2023), Argentine film actor •
Guido Görtzen (born 1970), Dutch volleyball player •
Guido Grandi (1671–1742), Italian priest and professor of mathematics •
Guido Guerrini, (born 1976), Italian rally driver •
Guido Herrera (born 1992), Argentine footballer •
Guido Imbens (born 1963), Dutch-American economist •
Guido Kaczka (born 1978), Argentine TV presenter •
Guido Knopp (born 1946), German historian, journalist and producer of history documentaries •
Guido Kratschmer (born 1953), German decathlete and former world record holder •
Guido de Lavezaris (), Spanish Governor General of the Philippines •
Guido von List (1848–1919), Austrian occultist, journalist, playwright, and novelist •
Guido Mainero (born 1995), Argentine footballer •
Guido Mantega (born 1949), Italian-born Finance Minister of Brazil •
Guido de Marco (1931–2010), Maltese politician, who served as the sixth President of Malta from 1999 to 2004 •
Guido Marini (born 1965), Italian Roman Catholic priest •
Guido Migliozzi (born 1997), Italian golfer •
Guido Milán (born 1987), Argentine footballer •
Guido Mina di Sospiro, Argentine-born writer •
Guido Morselli (1912–1973), Italian writer •
Guido De Padt (born 1954), Belgian politician •
Guido Palau, British hair stylist •
Guido Pella (born 1990), Argentine tennis player •
Guido Petti (born 1994), Argentine rugby union player •
Guido Pizarro (born 1990), Argentine footballer •
Guido Rancez (born 1990), Argentine footballer •
Guido Randisi (born 1989), Argentine rugby union footballer •
Guido Ratto (born 1999), Argentine footballer •
Guido Reni (1575–1642), Italian painter •
Guido Reybrouck (born 1941), Belgian cyclist •
Guido Rodríguez (born 1994), Argentine footballer •
Guido Sandleris (born 1971), Argentine economist •
Guido Stampacchia (1922–1978), Italian mathematician •
Guido Vadalá (born 1997), Argentine footballer •
Guido van Rossum (born 1956), Dutch programmer, creator of the Python programming language •
Guido Vildoso (born 1937), Bolivian military officer and de facto president in 1982 •
Guido Volpi (born 1995), Argentine rugby union footballer •
Guido Westerwelle (1961–2016), German politician •
Guido Wieland (1906–1993), Austrian actor
Family name •
Beatriz Guido (1922–1988), Argentine novelist and screenwriter •
José María Guido (1910–1975), president of Argentina between 1962 and 1963 •
Peggy Guido (1912–1994), also known as Peggy Piggott, English archaeologist and prehistorian •
Tomás Guido (1788–1866), Argentine general, diplomat and politician •
Sandor Guido (born 1978), Nicaraguan baseball player and coach
Fictional characters •
Guido Mista, the gunman of Bucciarati's gang in part 5 of the manga, ''JoJo's Bizarre Adventure'' •
Guido Anselmi, film director played by
Marcello Mastroianni in
Federico Fellini's film
8 1/2 •
Commissario Guido Brunetti, the protagonist of
Donna Leon's crime fiction series set in
Venice, Italy •
Father Guido Sarducci, character portrayed by American comedian
Don Novello •
Guido Hatzis, a comic character created by Australian comedians Moclair and Schiller •
Guido Carosella a.k.a. Strong Guy, a mutant from the
Marvel Comics universe •
Guido, a character in the
Cars franchise • Guido, a
Microraptor gui character who appears in
The Land Before Time XII: The Great Day of the Flyers and the TV episode "The Hermit of Black Rock" • Guido, a
character in the Myth Adventures series created by Robert Asprin • Prince Guido (Russian:
Gvidon), character from
The Tale of Tsar Saltan by
Alexander Pushkin • Guido il Cortese, the protagonist in
Mary Shelley's short story "Transformation" • Guido, the killer pimp in
Risky Business portrayed by
Joe Pantoliano • Guido Anchovy, a main character from the animated cartoon series
Samurai Pizza Cats • Guido Orefice, the main protagonist in the Italian comedy film
Life Is Beautiful • Guido, right-hand man of primary antagonist Kromer in Canto III of video game
Limbus Company ==Other==