James Callahan

James Callahan may refer to:

Sports

 * James Callahan (ice hockey), founder of the Pittsburgh Pirates in 1925
 * Nixey Callahan (1874–1934), also known as Jimmy Callahan, baseball pitcher and manager
 * Jim Callahan (baseball) (1881–1968), 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) (1891–1957), 1920s comedy short actor
 * James Callahan (actor) (1930–2007), American character actor

Others

 * James Yancy Callahan (1852–1935), Oklahoma Territorial Representative
 * James Callahan (unionist), American labor union leader
 * James Callahan (Kentucky) (fl. 19th c.), Louisville businessman; 1st president of the Louisville, Harrods Creek, and Westport Railway
 * Jim Callahan, entertainer and contestant on Phenomenon
 * Jim Callahan (politician), Kentucky legislator