John Barr
John Barr may refer to:
- John W. Barr, U.S. federal judge
- John Barr , Canadian physician and politician
- John Barr , member of the New Zealand Legislative Council
- John Barr , Scottish-New Zealand poet
- John Barr , American basketball player
- John Barr , Scottish shinty player
- John Barr , Scottish footballer
- John Barr , Scottish footballer
- John Barr , New Zealand librarian
- John E. Barr, member of the Governing Body of Jehovah's Witnesses and related offices
- John Barr , president of Poetry Foundation
- John Barr, a fictional character and namesake of the Jonbar hinge concept