Family name Sukmongkhon (Sukmongkhon 
) , in all the world, is a rare last name. The cognomen Sukmongkhon is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Sukmongkhon is the forename as well as the last name.
Phayao, Surasak, Phurita, Jirawat, Naowarat, Witsarut, Chayakorn, Jinnaphat, Charasphon, Chidchanok, Phanatchakhon, and Phanatchakorn