General Clay may refer to:

Cassius Marcellus Clay (politician) (1810–1903), Union Army major general Cecil Clay (1842–1903), Union Army brevet brigadier general (promoted post-service) Frank Butner Clay (1921–2006), U.S. Army major general Green Clay (1757–1828), Kentucky Militia general in the War of 1812 John Granby Clay (1766–1846), British Army general Lucius D. Clay (1898–1978), U.S. Army general Lucius D. Clay Jr. (1919–1994), U.S. Air Force general