Thomas Callaghan
Thomas, Tom or Tommy Callaghan may refer to:
- Tommy Callaghan (footballer, born 1886), English footballer
- Tom Callaghan, Scottish footballer who played for Scottish, Irish and English Football Leagues
- Thomas Patrick Callaghan, Irish long-distance runner
- Tommy Callaghan, Scottish footballer who played for Celtic, Dunfermline Athletic, and Clydebank
- Thomas Callaghan (judge), Australian judge of the District Court of New South Wales
- Thomas Callaghan, an alias of burglar and author Jack Black