Family name Phumthong (Phumthong 
) , around the world, is a rare cognomen. The cognomen Phumthong is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Mr, Kanthima, Kanokkan, Kamonwan, Kittisak, Phiranya, Rapeepat, Thansiri, Teeranon, Naruemon, Natnicha, Nuanchai, Saengtian, Aekkaphon, Krittikan, Phoncharin, Ritthikon, Thanyaluck, Thassanee, Thitiphan, Wiraphong, Wirongrong, Chayanun, Chamnian, Sinthara, Sakdinun, Pai, Tuy, Yong, Samai, Bunma, Kanya, Nupai, Wanit, Adisak, Likhit, Wirongrorng, Jantra, Onchan, Sawarod, Charung, Chalaem, Kansiri, Pongsak, Thitephan, Yuranan, Mongkhon, Sakdinan, Jarayu, and Chantaporn