Family name Ratchawut (รัชวุฒิ 
, Ratchawut ) , globally, is an extremely rare last name. The last name Ratchawut is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Ratchawut is the forename as well as the last name.
Suprom, Tangsongsuwan, Ratsameewongsopa, Karnjanasangpetch, Jarasthanakij, Boonsamret, Atirattanachai, Sukbongkod, Sakulrujar, Pornchaumsri, Kornkunrot, Chaisubanan, Sirireakrattana, Rattanachaipakorn, Muensunthorn, Noochplien, Rukmanee, Promchai, Kotlakome, Phermmahasarn, Ponwaing, Kotlacome, Chordok, Silasak, Saetang, Chodok, Sriwan, Wongsena, and Issarangkulnaayutthaya