Family name Porntawan (Porntawan 
) , worldwide, is an extremely rare surname. The last name Porntawan is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Porntawan is the forename as well as the last name.
Pooma, Maneechote, Wongpasert, Jesadapiwong, Kitichanwanit, Ketsuanjit, Samranphet, Rattanachot, Peanpitak, Sinpheing, Saransiri, Roemkhitkan, Tubrod, Liblub, Avirut, Suttapan, and Dechapraphan