Thomas Callaghan

Thomas, Tom or Tommy Callaghan may refer to:


 * Tommy Callaghan (footballer, born 1886) (1886–1917), English footballer
 * Tom Callaghan (active 1925–33), Scottish footballer who played for Scottish, Irish and English Football Leagues
 * Thomas Patrick Callaghan (born 1938), Irish long-distance runner
 * Tommy Callaghan (born 1945), Scottish footballer who played for Celtic, Dunfermline Athletic, and Clydebank
 * Thomas Callaghan (judge) (1815–1863), Australian judge of the District Court of New South Wales
 * Thomas Callaghan, an alias of burglar and author Jack Black (1871–1932)