John Callahan

John Callahan may refer to:

• John Callahan (actor) (1953–2020), American actor; best known from the soap opera All My Children
• John Callahan (cartoonist) (1951–2010), cartoonist

• John Callahan (Wisconsin politician) (1865–1956), Wisconsin Superintendent of Public Instruction
• John B. Callahan (born 1969), mayor of Bethlehem, Pennsylvania and Democratic nominee for the U.S. House of Representatives
• John F. Callahan, writer and editor of numerous volumes related to African-American literature
• John H. Callahan (1845–1914), American Civil War soldier and Medal of Honor recipient
• John M. Callahan, chairman of the Democratic Party of Wisconsin
• John Ross Callahan (1853–1918), American dentist
• John Callahan (catcher) (1878–1952), American baseball player
• John Callahan (pitcher) (1874–1954), baseball player
• John Callahan (skier) (born 1962), American Olympic skier
• John Callahan (wrestler) (born 1964), American professional wrestler
• John Callahan (outlaw) (1866–1936), American outlaw and bank robber

See also

• John Callaghan (disambiguation)
• Jack Callahan (disambiguation)