John Grimes
John Grimes may refer to:
- John Grimes , first Roman Catholic bishop of Christchurch, New Zealand
- John Grimes , Roman Catholic bishop
- John Bryan Grimes, North Carolina Democratic politician and farmer
- John Grimes , American baseball player
- John Grimes , Anglican Archdeacon of Northampton
- John Grimes, former U.S. Assistant Secretary of Defense for Networks and Information Integration
- John Grimes , member of the Irish pop rap duo Jedward
- John Grimes, fictional character in a series of novels by A. Bertram Chandler
- John Grimes, fictional character in the film Black Hawk Down
- Dr. John Grimes, Quaker anti-slavery advocate and namesake of the Grimes Homestead