Family name Suwannaphet (Suwannaphet 
) , throughout the world, is a rare surname. The last name Suwannaphet is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Tun, Phonphet, Rungtiwa, Tamonpat, Thanakan, Thanabat, Narisara, Veerapiya, Isaraporn, Waraphon, Sasiwimon, Sirikanya, Suchittra, Chanchira, Chartchay, Chonnikan, Chutharat, Thammawan, Waratchaya, Boonyakorn, Ratchaphon, Wanchaloem, Pornvalai, Pritsana, Pra Phattharaphong, Kanchana, Khao, Samoe, Surat, Sunan, Amkha, Wilai, Saksit, Prasit, Muenfan, Sukanda, Phattharaphong, Suwimol, Panidda, Pasamon, Jidapha, Nittaya, Waranya, Waranon, Watsana, Wassana, Alonggorn, Chatchay, Bapaphon, and Phra Phattharaphong