Costin

Costin is a surname which derives from the Middle English and Older Scots personal name "Costin", a shortened form of Old French Constantine, Anglo-Norman French Costetin, and the Latin Constantinus.

The name origins lie in Anglo-French roots, from "casteyn", which means "chestnut".

It may also be a variant of Costain, a Manx origin surname.

Notable people with the name include:

• Brandon Costin, Australian rugby league player
• Darren Costin (born 1966), English musician
• Doug Costin (born 1997), American football player
• Frank Costin (1920–1995), British automotive engineer
• Henry Gilbert Costin (1898–1918), United States Army soldier and Medal of Honor recipient
• Jamie Costin (born 1977), Irish racewalker
• Mike Costin, British automotive engineer
• Thomas P. Costin Jr. (1926–2025), American politician
• William Costin (c. 1780 – 1842), early American civil rights activist in Washington, D.C.

Romanian version

It is also a surname and given name in the Romanian language.

Surname:

• Gheorghe Costin (born 1955), Romanian conductor and composer
• Ion Costin (1887–1940), Moldovan politician
• Miron Costin (1633–1691), Moldavian chronicler
• Nicolae Costin (1936–1995), Moldovan politician
• Nicolae Costin (chronicler) (1660–1712), Moldavian chronicler
• Robert Costin, British classical organist, teacher and conductor
• Raul Costin (born 1985), Romanian footballer
• Sergiu Costin (born 1978), Romanian footballer

Given name:

• Costin Alamariu (born 1980), Romanian-American writer and an internet personality
• Costin Curelea (born 1984), Romanian footballer
• Costin Gheorghe (born 1989), Romanian footballer
• Costin Lazăr (born 1981), Romanian footballer
• Costin Miereanu (1943–2025), Romanian-born French composer and musicologist
• Costin Nenițescu (1902–1970), Romanian chemist
• Costin Petrescu (musician) (born 1949), Romanian rock musician
• Costin Petrescu (painter) (1872–1954), Romanian painter