Cremin is a surname. Notable people with the surname include:
Con Cremin (1908-1987), Irish diplomat
David Cremin (born 1930), Roman Catholic Bishop Emeritus of the Catholic Archdiocese of Sydney
Deanna Cremin (1978–1995), American murder victim
Eric Cremin (1914–1973), Australian golfer
Francis Cremin (born 1910), Irish theologian
Kieran Cremin (21st century), Irish Gaelic footballer
Lawrence A. Cremin (1925–1990), American educational historian and administrator
Mick Cremin (1923–2011), Australian rugby union player
Patrick Cremin (21st century), British actor
