Costin

Costin is both a Romanian and English surname and a given name. Notable people with the name include:

Surname:
 * 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
 * Gheorghe Costin (born 1955), Romanian conductor and composer
 * Henry Gilbert Costin (1898–1918), United States Army soldier and Medal of Honor recipient
 * Ion Costin (1887–1940), Moldovan politician
 * Jamie Costin (born 1977), Irish racewalker
 * Mike Costin, British automotive engineer
 * Miron Costin (1633–1691), Moldavian chronicler
 * Nicolae Costin (1936–1995), Moldovan politician
 * Nicolae Costin (chronicler) (1660–1712), Moldavian chronicler
 * Raul Costin (born 1985), Romanian footballer
 * Robert Costin, British classical organist, teacher and conductor
 * Sergiu Costin (born 1978), Romanian footballer
 * Thomas P. Costin Jr. (born 1926), American politician
 * William Costin (c. 1780 – 1842), early American civil rights activist in Washington, D.C

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 (born 1943), 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