Congreve is a surname. Notable people with the surname include:
Ambrose Congreve (1907–2011), Irish industrialist, best known for his world-famous garden at Mount Congreve
Galfred Congreve (fl. 1850–1881), Scottish amateur footballer and cricketer, later a civil servant
Richard Congreve (1818–1899), English philosopher
Walter Norris Congreve, Governor of Malta from 1924 to 1926
William Congreve (1670–1729), English playwright
William La Touche Congreve (1891–1916)
Sir William Congreve, 2nd Baronet (1772–1828), creator of the Congreve rocket