Mészöly is a Hungarian surname. Notable people with the surname include:
Géza Mészöly (footballer) (born 1967), Hungarian international football (soccer) player, son of Kálmán Mészöly Géza Mészöly (painter) (1844–1887), Hungarian Romantic painter Kálmán Mészöly (1941–2022), Hungarian football (soccer) player and coach, father of Géza Mészöly