James Callahan
James Callahan may refer to:
Sports
- James Callahan (ice hockey), founder of the Pittsburgh Pirates in 1925
- Nixey Callahan, also known as Jimmy Callahan, baseball pitcher and manager
- Jim Callahan (baseball), baseball player for the New York Giants
- Jim Callahan (American football, born 1946), American football player and author
- Jim Callahan (American football, born 1920)
- Jamie Callahan, American baseball pitcher
Actors
- Jimmy Callahan (actor), 1920s comedy short actor
- James Callahan (actor), American character actor
Others
- James Yancy Callahan, Oklahoma Territorial Representative
- James Callahan (unionist), American labor union leader
- James Callahan (Kentucky), Louisville businessman; 1st president of the Louisville, Harrods Creek, and Westport Railway
- Jim Callahan, entertainer and contestant on Phenomenon
- Jim Callahan (politician), Kentucky legislator