Nicholas Kőszegi may refer to one of several members of the Kőszegi family: Nicholas I Kőszegi (fl. 1266–1299), Palatine of Hungary Nicholas II Kőszegi (fl. 1314–1332), Master of the Horse and ancestor of the Rohonci family Nicholas III Kőszegi (fl. 1308–1313), Master of the Treasury of Hungary Nicholas Kőszegi (bishop) (fl. 1308–1336), bishop of Győr