Cognomen Phithan (Phithan 
) , across the world, is an extremely rare family name. Much more frequently, Phithan is the forename as well as the last name.
Thong, Poltorn, Srisaovanan, Choentanomwong, Pinsinchai, Rakkongsuk, Rukkongsuk, Toemphan, Nongnoul, Wattatham, Saengsuriyan, and Thirasattayapitak