Pap is a Hungarian noble surname. Notable people with the surname include:

Arthur Pap (1921-1959), Swiss philosopher Béla Pap (1845-1916), Hungarian lieutenant general and Minister of Defence Bianka Pap (born 2000), Hungarian Paralympic swimmer Eduard Pap (born 1994), Romanian football goalkeeper Endre Pap (born 1947), Hungarian mathematician Eszter Pap (born 1993), Hungarian triathlete Géza Pap (1883-1912), Hungarian painter Gyula Pap (1813–1870), Hungarian ethnographer and writer of Hungarian folk tales János Pap (1925–1994), Hungarian politician Jenő Pap (born 1951), Hungarian fencer, 1982 world individual épée champion Károly Pap (1897-1945), Jewish Hungarian writer

Lajos Pap (1883-1941), discredited Hungarian spiritualist medium Norbert Pap (born 1969), Hungarian geographer–historian Róbert Pap (1874–1947), Hungarian Jewish lawyer Roland Pap (born 1990), Hungarian footballer Vera Pap (1956-2015), Hungarian actress

See also Papp, a Hungarian surname