McIlvenny is a surname. Notable people with the surname include:
Bobby McIlvenny (born 1926), Northern Irish footballer Charles McIlvenny (born 1897), English/South African golfer Ed McIlvenny (1924–1989), Scottish-American footballer Harry McIlvenny (born 1922), English footballer Jimmy McIlvenny (1892–?), English footballer Frank McIlvenny (1963–?), Human Rights Activist