Family name Kasamut (Kasamut 
) , in the world, is a very rare surname. The surname Kasamut is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
Apicihai, Apidet, Apichai, Phakorn, Ketsarin, Siriyapron, Arunothai, Thongchai, and Pattaraphong