Surname Yothamat (Yothamat 
) , globally, is a very rare cognomen. The cognomen Yothamat is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Kobboon, Thanit, Orawan, Sriphai, Sriprai, Chittra, Phaibun, Nutnisanan, Weerapong, Chatchawan, Phra Supot, Rommaneepet, and Phatcharawadee