James Barker
James Barker may refer to:
- James Barker (athlete), British track and field athlete
- James Barker (judge), Justice of the Massachusetts Supreme Judicial Court
- James Barker (Royal Navy officer), captain in the Royal Navy
- James Barker (priest), English priest, Archdeacon of Chichester
- James Barker (Rhode Island official), British deputy governor of the Colony of Rhode Island and Providence Plantations
- James Barker in James Barker Band, Canadian country musician
- James A. Barker, Wisconsin State Senator
- James Edward Barker, British composer, music producer and film producer
- James Francis Barker, American academic; second president of the Rochester Athenæum and Mechanics Institute
- James Frazier Barker, former president of Clemson University
- James L. Barker, American linguist and historian
- James Madison Barker, American banker and business executive
- James Nelson Barker, American soldier, playwright, mayor of Philadelphia
- James P. Barker, American soldier convicted of rape and the murder of an Iraqi family
- James R. Barker (academic), professor of organizational theory and strategy
- James R. Barker (businessman), shipping executive
- Jim Barker, American gridiron football coach
- Jim Barker (politician), Democratic politician from the U.S. state of Oklahoma
- James R. Barker (1976 ship)