Family name Pinhathai (Pinhathai 
) , in the world, is an extremely rare surname. Much more frequently, Pinhathai is the forename as well as the last name.
Chumsut, Banphet, Kukamoo, Linrahaphan, Limrahaphan, Sornchai, Wanasook, Chunharas, Kantawong, Thongking, Prasansong, Rattanarak, and Thongprasert