General Horn may refer to:

Arvid Horn (1664–1742), Swedish general Gustav Evertsson Horn (1614–1666), Swedish general Henrik Horn (1618–1693), Swedish lieutenant general Tiemann Newell Horn (1868–1923), U.S. Army brigadier general

See also Carl von Horn (1847–1923), Bavarian colonel general Carl von Horn (1903–1989), Swedish Army major general Henry Horne, 1st Baron Horne (1861–1929), British Army general