Cognomen Rungreang (Rungreang 
) , across the world, is a rare surname. The last name Rungreang is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Rungreang is the forename as well as the last name.
Ubol, Chanyuth, Khwanjai, Kittipat, Janejira, Tharinya, Teeratan, Fongkung, Songkran, Waraporn, Warisara, Weerapat, Weerapriya, Manasanan, Suntharee, Jukkapong, Theerapat, Warintorn, Suchinsa, Woratus, Oattanisa, Sujin, Asada, Sumath, Sutada, Apirak, Wallop, Sarawut, Sasicha, Somchai, Bunturn, Kanjana, Patrind, Pakanun, Ganniga, Jumlearn, Tanawat, Thitima, Chirankura, and Wachiraporn