McGinnity is an Irish surname. Notable people with the surname include:
Gerard McGinnity (born 1947), Irish author and parish priest Joe McGinnity (1871–1929), American baseball player Mike McGinnity (1941–2016), chairman of Coventry City Football Club Connor McGinnity (born 2003) English/Irish Boxer Patrick McGinnity (born 1989), Australian rules footballer Peter McGinnity (born 1953), Irish Gaelic footballer and manager