Cognomen Phongwiwat (Phongwiwat 
) , in the entire world, is a very rare last name. The last name Phongwiwat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Phongwiwat is the forename as well as the last name.
Warathit, Shinnapat, Thanyapat, and Watcharaphong