James Irwin (disambiguation) explained
James Irwin (1930–1991) was an Apollo 15 astronaut who walked on the Moon.
James or Jim Irwin may also refer to:
See also
- James Irwin Brownson (1816–1899), American Presbyterian clergyman and academic in Pennsylvania
- James Irwin Hartt (1866–1935), Irish-born Canadian lumberman and political figure in Ontario