Armistead is both a surname and a masculine given name. Notable people with the name include:
Surname:
Bill Armistead (born 1944), American politician from AlabamaGeorge Armistead (1780–1818), American military officer who served as the commander of Fort McHenry during the Battle of Baltimore in the War of 1812James Armistead, American slave and spy in the American RevolutionLewis Addison Armistead, Confederate Army generalSamuel G. Armistead (1927–2013), American ethnographer, linguist, folklorist, historian and HispanistWalker Keith Armistead, United States Army brigadier generalGiven name:
Armistead Burt U.S. Representative from South Carolina from 1843 to 1853Armistead Mason Dobie, legal educator and federal judgeArmistead Maupin, American writerArmistead Burwell Smith IV, American musician, member of PinbackArmistead (d. 1844), slave of US President John Tyler who was killed in the USS Princeton disaster