Cognomen Thannawat (Thannawat 
) , around the globe, is an extremely rare family name. The surname Thannawat is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Thannawat is the forename as well as the last name.
Krotburi, Sombunna, Pornseattarat, Muenthaisong, Srichiangwang, Limjaroenchai, Jitsopark, Thongkead, Sonprasard, Passornsethachai, Trivijitkhun, Worraprasitchai, and Chokchaiwattanakorn