James Barr
James Barr may refer to:
- James Barr , Moderator of the General Assembly of the Church of Scotland in 1853
- James Barr , British author who writes mainly on the Middle East
- James Barr , British Old Testament scholar and philologist
- James Barr , Scottish composer; composed the tune which inspired that which is now used for "Waltzing Matilda"
- James Barr , Irish physician
- James Barr , British Labour Party politician; MP for Motherwell, 1924–1931; Coatbridge, 1935–1945
- James Barr, British radio and television presenter, LGBT+ activist, creator of podcast A Gay and a NonGay
- James Clayton Barr, Commodore of the Cunard line
- James R. Barr, Scottish engineer and lecturer in Electrical Engineering at Heriot-Watt College, Edinburgh
- Jim Barr, American baseball player
- Anthony James Barr, also known as Jim Barr, American software engineer