General Allen may refer to:

• Arthur Allen (general) (1894–1959), Australian Army major general
• Augustus F. Allen (1813–1875), New York Militia brigadier general
• Chester R. Allen (1905–1972), U.S. Marine Corps major general
• Ethan Allen (1737–1789), Vermont Republic Militia major general
• Frances J. Allen (fl. 1980s–2020s), Canadian Armed Forces lieutenant general
• George C. Allen II (fl. 1970s–1990s), Delaware Air National Guard brigadier general
• Harrison Allen (general) (1835–1904), Union Army brevet brigadier general
• Henry Tureman Allen (1859–1930), U.S. Army major general
• Henry Watkins Allen (1820–1866), Confederate States Army brigadier general
• Hubert Allison Allen (1872–1942), U.S. Army brigadier general
• James R. Allen (1925–1992), U.S. Air Force four-star general
• John J. Allen (general) (fl. 1990s–2020s), U.S. Air Force major general
• John R. Allen (born 1953), U.S. Marine Corps four-star general
• John R. Allen Jr. (born 1935), U.S. Air Force brigadier general
• Lew Allen (1925–2010), U.S. Air Force four-star general
• Robert Allen (footballer) (1886–1981), British Army major general
• Robert Allen (general) (1811–1886), Union Army brigadier general
• Roderick R. Allen (1894–1970), U.S. Army major general
• William W. Allen (general) (1835–1894), Confederate States Army brigadier general

• Engin Alan (born 1945), Turkish Army general
• William Allan (British Army officer) (1832–1918), British Army major general
• Daniel B. Allyn (born 1959), U.S. Army four-star general
• Attorney General Allen (disambiguation)

This disambiguation page lists articles associated with the title General Allen.
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