Cognomen Pithaya (Pithaya 
) , throughout the world, is a very rare last name. The surname Pithaya is habitual in Thailand, where it is an extremely rare surname, and India. More frequently, Pithaya is the forename as well as the last name.
Lee, Cheeranond, Soysangwal, Khanthong, Chuchaiya, Chitpiriyunt, Sriwongsa, Wuttisela, Waghmare, Ongsakul, Niraguda, Pookaman, Achalabun, Arpanutud, Warawan, Ovattana, Inumpun, Jiamniyom, Shid, Vagh, Pawar, Koysuwan, Jadhav, Imraporn, Nunthavichitr, Surinta, Bungsri, Paemanee, Pongpan, Phariwong, Jinawat, Jinswat, Sukatus, and Viriyanondha