Cognomen Supawan (ศุภวรรณ 
, สุภาวรรณ , Supawan 
, among others...) , all over the world, is quite a rare family name. The last name Supawan is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Indonesia. More prevalently, Supawan is the forename as well as the last name.
Phuha, Leewanun, Liewsirichai, Jantayod, Joeyphech, Hongkham, Sirimanoon, Chaibulkaew, Chuaykongma, Prompayuck, Phisaiphan, Jansawang, Traisurat, Yuthasilkul, Chaibuakaew, Chaibulkeaw, Kityanukorn, Duangkantha, Vongpaiboonvatana, Wongkiatsuphap, Arunwattanachai, Booncharoen, Leetrairong, Dhamabutra, Dankesornsirikun, Potisamutryotin, Ardkhla, Phodee, Pupoung, Jaitea, Yakham, Saleeon, Shukaew, Choomee, Kajanya, Keerinnon, Tasananutariyakul, Jaiboon, Suanploy, Seethong, Sriwannu, Srilopan, Areejitranusorn, Audomsin, Boonkaew, Kampieng, Kongkaew, Koonyotying, Mahakeeta, and Kittipattanawit