Last name Sangmuang (Sangmuang 
) , globally, is a rare cognomen. The family name Sangmuang is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Sangmuang is the forename as well as the last name.
Nisa, Prachum, Janjira, Nachaya, Wantana, Wanlapa, Wanvisa, Saruntorn, Sasamaporn, Supannee, Anchalee, Athiyaporn, Apichaya, Chutarat, Kanokwan, Kanpasit, Kittisak, Krongtong, Parichat, Paniphat, Panprateep, Prachuap, Panadda, Pattama, Pariwat, Kitikun, Hyam, Supan, Kitti, Diana, Thida, Naris, Narin, Wipat, Manoon, Sangla, Phenpitcha, Sathit, Polsak, Phanit, Punika, Narisa, Siriwan, Supamas, Somchai, Chorlae, Kanjana, Kittiya, Aticha, and Rossukon