General Irwin may refer to:
Alexander Irwin (died 1752), British Army lieutenant general Alistair Irwin (born 1948), British Army lieutenant general George LeRoy Irwin (1868–1931), U.S. Army major general James Murray Irwin (1858–1938), British Army major general John Irwin (British Army officer) (1727/28–1788), British Army general Noel Irwin (1892–1972), British Army lieutenant general Stafford LeRoy Irwin (1893–1955), U.S. Army lieutenant general
See also James Brailsford Erwin (1856–1924), U.S. Army brigadier general