Last name Thongkhamphong (Thongkhamphong 
) , in all the world, is a very rare family name. The cognomen Thongkhamphong is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
Nidnoi, Bootham, Tunyalak, Niphaphon, and Wutthichai