Cognomen Thongyaem (Thongyaem 
) , worldwide, is a rare surname. The cognomen Thongyaem is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
Chan, Kornkamol, Chunyanuch, Somthiang, Verapreeya, Nopnapat, Tassanee, Jaturong, Ronnapat, Phopnaphat, Peerapol, Chayanee, Suwaphat, Siriwana, Saovanee, Vitcharawat, Minthira, Namphet, Jarinya, Kitisak, Ketwadee, Kangana, Chalong, Chaiyot, Somboon, Yuwada, Yothin, Kultida, Supida, Yanee, Phud, Yaowapa, and Jirapraphar