Cremin is a surname. Notable people with the surname include:
Aedeen Cremin (born 1940), Irish and Australian archaeologist Con Cremin (1908–1987), Irish diplomat David Cremin (1930–2025), Irish-born Australian Roman Catholic bishop Deanna Cremin (1978–1995), American murder victim Eric Cremin (1914–1973), Australian golfer Francis Cremin (1910–2001), Irish theologian Gus Cremin (1921–2014), Irish Gaelic footballer Hilary Cremin, British academic Kieran Cremin, Irish Gaelic footballer Lawrence A. Cremin (1925–1990), American educational historian and administrator Mick Cremin (1923–2011), Australian rugby union player Patrick Cremin, British actor Robert W. Cremin, American business executive