Colmán or Colman is both a given name and a surname. Notable people with the name include:

• Colmán Bec (died c. 585), Irish dynast
• Colmán mac Cobthaig (died c. 622), Irish king
• Colmán mac Lénéni (died c. 606), Irish poet
• Colmán Már (died c. 557), Irish dynast
• Colmán Rímid (died c. 612), Irish king
• Colman nepos Cracavist (fl. c. 800), Hiberno-Latin poet

• Colman of Templeshambo (died 595), Abbot of Templeshambo
• Colmán Elo (died 611) of the moccu Béognae
• Colman of Cloyne, 6th-century Bishop of Cloyne
• Colman of Dromore, 6th-century Bishop of Dromore
• Colman of Kilmacduagh, 7th-century Bishop of Kilmacduagh
• Colmán of Kilroot, contemporary of St. Ailbe
• Colmán of Lindisfarne (died 676), bishop of Lindisfarne
• Colmán of Lann, patron saint of Lann
• St. Colman (martyr) (7th century), companion of St Kilian and St Totnan
• Coloman of Stockerau (Colmán) (died 1012), Irish pilgrim martyred in Austria
• Columbanus (died 615), Irish missionary

• Colman Domingo (born 1969), American actor, writer, director

• Andrew Colman (born 1944), British psychologist
• Chanan Colman (born 1984), Danish-Israeli professional basketball player for the Copenhagen Wolfpack of the Danish Basketligaen
• Daniel Colman (born 1990), American poker player
• Eamon Colman (born 1957), Irish artist
• Eddie Colman (1936–1958), British footballer
• Edward Colman (cinematographer) (1905–1995), American cinematographer
• Edward Colmans (1908–1977), American actor
• Ethel Colman (1863–1948), first woman to be Lord Mayor of Norwich and the first woman to be a Lord Mayor in England; daughter of Jeremiah Colman MP
• Fraser Colman (1925–2008), New Zealand politician
• Geoffrey Colman (1892–1935), first-class English cricketer; father of Timothy
• George Colman the Elder (1732–1794), English dramatist
• George Colman the Younger (1762–1836), English dramatist
• Iván Colman (born 1995), Argentine professional footballer
• Jeremiah Colman (MP) (1830–1898), English businessman and Liberal politician; father of Ethel
• Sir Jeremiah Colman, 1st Baronet (1859–1942), English businessman and first of the Colman baronets
• Julia Colman (1828–1909), American temperance educator, activist, editor, writer
• Neville Colman (1945–2003), South African hematologist and forensic DNA expert
• Nicolás Colman, 16th-century English conquistador who served for the Spanish Crown
• Olivia Colman (born 1974), British actress
• Robert Colman (died 1428), English medieval Franciscan friar and university chancellor
• Ronald Colman (1891–1958), English actor
• Samuel Colman (1832–1920), American interior designer
• Samuel Colman (British painter) (1780–1845)
• Sir Timothy Colman (1929–2021), British businessman and Lord Lieutenant of Norfolk
• Tony Colman (disambiguation)
• Tyler Colman, American wine critic known by the pen name Dr. Vino

• Colman's, a British mustard manufacturer
• Colman, South Dakota, city in Moody County, South Dakota, United States
• Arthurstown, County Wexford, Ireland, a village
• St Colman's College, Claremorris, County Mayo
• St Colman's College, Newry, County Down
• Colman, the sequel to the late Monica Furlong's Wise Child novel

• Colm
• Kolman, a Slavic name sometimes transliterated as Colman
• Coleman (surname)
• Coloman, an ancient Germanic name
• Kálmán, a Hungarian surname and given name
• List of Irish-language given names