William Congreve (1670–1729) was an English playwright and poet.
William Congreve may also refer to:
Sir William Congreve, 1st Baronet (1742–1814), father of the inventor Sir William Congreve, 2nd Baronet (1772–1828), inventor William Congreve (died 1843), Lord of the Manor at Aldermaston Billy Congreve (1891–1916), Victoria Cross recipient
See also Congreve (surname)