Last name Supphawat (อนุวัฒน์ 
, Supphawat , ศุภวัสส์ ) , in all the world, is a rare cognomen. The cognomen Supphawat is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Predominantly, Supphawat is the forename as well as the last name.
Somlam, Chaimongkhon, Panvichatkun, Chuamuangphan, Mingmongkhon, Wongwanthanee, Techakharun, Phonphakdi, Kaveevorayan, Janjaroen, Rattanapanya, Pitakpakorn, Saengphan, Panglikhit, Imamhem, Kalamik, Choorat, Noitam, Naksad, Pukahuta, Chaknu, Chansamniang, and Wisetwongsahakit