Family name Witthawat (วิทวัส 
, Witthawat 
, วิทวัช ) , globally, is a very rare last name. The surname Witthawat is characteristic of Thailand, where it is a very rare surname, and China, where it is an extremely rare surname. Much more prevalently, Witthawat is the forename as well as the last name.
Pumim, Pantumongkol, Phothiwat, Phoemsombat, Phetyotsri, Ruangkitikhun, Janthasom, Fuangpaiboon, Wiriyarat, Yontrakun, Mongkolkeha, Chomkhangoen, Khaoprasert, Pannopphasri, Phongkonkiat, Watjanakomkul, Matthawakarn, Mongkholrat, Aphimongkhonlert, Kasayapanant, Kaewbunruang, Trisaranakul, Kitphanaphon, Bhamornbutr, Chuenchai, Chanthong, Laoun, Srisuk, Buaban, Pradit, Utphrae, Kainara, Kothong, Pabalee, Potaram, Pudpong, Rattanaboonbaramee, Rophonphit, Boonwong, Petchrak, Phanprom, Danvonglrom, Laoluelueangphanit, Nimsakul, Sujitwanich, Songsujaritkul, Somkhantha, Somkhuandee, Simmanee, and Ruangkittikhun