Colleran is a surname. Notable people with the surname include:
Brendan Colleran (born 1948), Irish Gaelic football player Enda Colleran (1942–2004), Irish Gaelic football player and manager Seamus Colleran, Irish Gaelic football player Ger Colleran, Irish journalist Mandy Colleran (born 1962), British actress Noel Colleran (born 1944), Irish Gaelic football player