Family name Suphat (สุพัฒน์ 
, สุภัทร , Suphat 
) , globally, is a rare surname. The last name Suphat is characteristic of Thailand, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and the United States. Not in comparison with a country's population, it is commonest in Thailand, China, and the United States. Predominantly, Suphat is the forename as well as the last name.
Rakkha, Chandaeng, Champatong, Boonchana, Khonglert, Promthong, Phongthai, Rithichoo, Loychusak, Teachaviwat, Wongsrirot, Seeraphadsa, Sriprawatkun, Srichandorn, Prakobseng, Phromthong, Tangmankokit, Thammaphet, Santipiyakun, Kongpanichkul, Tangphonsakunphaisan, Chaisunthornwongsa, Sukamolson, Mueangain, Hamjinda, Tisapong, Roobdee, Noowas, Nusang, Maiphrom, Attamee, Kiatlatchanon, Krueksomsat, Praekiat, Plongon, Jiankamonchuen, Kittipongphat, Teejinda, Samseeneam, Sawatdee, Arunluang, Chummuneerat, Kaewphat, Kruesomsat, Prawetchit, Pipitawan, Jullasak, Thongsai, Onkhong, and Phattaraboonprakob