Family name Nonthapa (Nonthapa 
) , globally, is a very rare surname. The last name Nonthapa is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Niti, Daeng, Narin, Siranee, Sukanya, Phichet, Monsicha, Kanyarat, Phechrasa, Chanintorn, Kanyakorn, Kitiyaporn, Yuttapoom, Sitthipong, and Vichannarong