Last name Nammuang (Nammuang 
) , in the world, is a rare family name. The cognomen Nammuang is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname.
Sho, Butrsarin, Kamontip, Pattarut, Pannapon, Prawirat, Duangjai, Theewara, Nannapat, Walailuk, Witthaya, Siraprapa, Chaipipat, Patchanee, Patoomporn, Phatnalin, Mattanawadee, Ratchanikan, Chakkaew, Srisudar, Supaluck, Satapana, Supan, Panida, Thewin, Sukanya, Supapan, Suchada, Sorawan, Chaiwat, Ratchanikarn, Chalida, Panuruj, Prasaya, Piyawan, Rachata, Dolpaphat, Tatsarun, Warunee, Wassana, Boonsri, and Autcharaphorn