Family name Thanyawat (Thanyawat 
, ธัญวัฒน์ , ธันยวัฒน์ ) , all around the world, is a very rare last name. The cognomen Thanyawat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Predominantly, Thanyawat is the forename as well as the last name.
Maeha, Nakchuptong, Niamkunchorn, Sakkapong, Chaiwirat, Chalotorn, Chuachang, Bantherngsuk, Krisiwattana, Dounggate, Thammason, Homsombat, Suwankumnoet, Sonthitham, Sooksamran, Abhiratanawongsa, Chalothorn, Boonsrinui, Kittitanawat, Pornpitisawat, Nuntanawanich, Sukhumalchatsakil, Thongsai, Jarusukdadach, Phatigomet, Chearnkaew, Jinda, Findy, Wanna, Mangma, Kangka, Kaenin, Proyrungroj, Taevajira, Sutatorn, Songrit, Sukhumalchatsakul, Chamram, Kaewsuk, Khruarianthai, Rachtiwa, Jarusnkdadach, Zongkun, Maneejak, Masmalai, Sukkasem, Attabodee, Chatarat, Kaewsai, and Srisuwannathach