Surname Nontawat (นนทวัฒน์ 
, Nontawat 
, นลธวัช ) , all around the world, is a rare cognomen. The cognomen Nontawat is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Predominantly, Nontawat is the forename as well as the last name.
Anan, Kluameephol, Pengmark, Rueankam, Taerattanachai, Thongpud, Naratorn, Hiruncoch, Wareevanich, Yaowasang, Sampradit, Supasirigul, Srisawang, Kamlaithong, Phantamit, Rueangrung, Jumpatong, Chalermrak, Kongpisutpaisan, Ploysongsri, Lueangtongkum, Amorncheewanun, Khongmoh, Bawornkunlasopon, Chomsuwan, Chiranon, Manop, Numor, Machai, Meemat, Smathi, Buakao, Kemngern, Ployto, Rachom, Laitip, Cheewasrirungrueang, Jannui, Singgoon, Somkeaw, Somchit, Srijinda, Kanitkorn, Junaungkan, Numbenchapol, Wongsue, Sukpaisal, Srichada, Noorod, and Kongprasertlap