Cognomen Thamawat (Thamawat 
) , worldwide, is an extremely rare family name. The cognomen Thamawat is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Thamawat is the forename as well as the last name.
Sartvate, Koetsutthi, Kemphet, Rianngamsit, Thephutsadin Na Ayutaya, and Thephutsadinnaayutay