James Callahan
James Callahan may refer to:
Sports
- James Callahan, founder of the Pittsburgh Pirates in 1925
- Nixey Callahan, also known as Jimmy Callahan, baseball pitcher and manager
- Jim Callahan , baseball player for the New York Giants
- Jim Callahan, American football player and author
- Jim Callahan
- Jamie Callahan, American baseball pitcher
Actors
- Jimmy Callahan , 1920s comedy short actor
- James Callahan , American character actor
Others
- James Yancy Callahan, Oklahoma Territorial Representative
- James Callahan, American labor union leader
- James Callahan , Louisville businessman; 1st president of the Louisville, Harrods Creek, and Westport Railway
- Jim Callahan, entertainer and contestant on Phenomenon
- Jim Callahan, Kentucky legislator