Heaney is a surname of Irish origin. Notable people with the surname include:
Aidan Heaney, retired English football player
Andrew Heaney, baseball player
Bob Heaney, Canadian former ice hockey player
Charles Heaney, American photographer and painter
Craig Heaney, British actor of screen, stage and radio
Dermot Heaney, former Irish Gaelic footballer
Francis Heaney, crossword compiler
Gerald William Heaney (1918-2010), federal judge on the United States Court of Appeals
Gerald Heaney (magician) 1899-1974), American magician
Geraldine Heaney, Irish-Canadian ice hockey head coach
Harry Heaney, Emeritus Professor of Organic Chemistry
Mark Heaney, drummer
Neil Heaney, English former footballer
Sarah Heaney, Scottish television presenter
Seamus Heaney, Irish poet, writer and lecturer who was awarded the Nobel Prize
Stewart Heaney, Canadian cricketer
Thomas Heaney, Australian rules footballer
