General Duncan (disambiguation)

Thomas Duncan (general) (1819–1887) was a Union Army brevet brigadier general. General Duncan may also refer to:

Alastair Duncan (British Army officer) (1952–2016), British Army major general Alexander Duncan (army officer) (1780–1859), East India Company general George B. Duncan (1861–1950), U.S. Army major general John Duncan (British Army officer, born 1870) (1870–1960), British Army major general John Duncan (British Army officer, born 1872) (1872–1948), British Army major general Johnson K. Duncan (1827–1862), Confederate States Army brigadier general