Cognomen Pratanavanich (Pratanavanich 
) , around the globe, is a very rare last name. The last name Pratanavanich is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
Pichai, Sukanda, Kanjana, Visutha, Boonbancha, Radchada, Nutnaree, Puttipong, and Nutthaporn