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
See also James Callaghan (disambiguation)