Armitstead is a surname. Notable people with the surname include:
George Armitstead (1847) (1847–1912), Latvian mayorGeorge Armitstead, 1st Baron Armitstead (1824–1915), British businessman, philanthropist and politicianJohn Armitstead (1868–1941), English clergymanLizzie Armitstead (born 1988), English cyclistWilliam Armitstead (1833–1907), English cricketerWilliam Martin Armistead (1873–1955), American businessman