James Brennan
James Brennan may refer to:
Politicians
- James F. Brennan, American politician in the New York State Assembly
- James B. Brennan, American politician the Wisconsin State Senate
- James F. Brennan (mayor), American politician, mayor of Somerville, Massachusetts
- James Brennan (Queensland politician), Australian politician, member of the Queensland Legislative Assembly
Sports
- Don Brennan (baseball), American Major League Baseball pitcher
- Jim Brennan (baseball), American baseball player
- Jim Brennan (Australian footballer), Australian rules footballer
- Jim Brennan, Canadian soccer player and manager, also known as Jimmy Brennan
- Jim Brennan (Northern Irish footballer), Northern Irish footballer
- James Brennan (footballer), Irish footballer
- Jamie Brennan, Irish Gaelic footballer
- Séamus Ó Braonáin, Irish sportsman and public figure
- Jim Brennan (rugby union), Irish international rugby union player
Others
- James Herbert Brennan, Northern Irish lecturer and author
- James Alexander Brennan, American songwriter
- James Brennan, a character in the film ''Adventureland''