Surname Ruamjai (Ruamjai 
) , globally, is a rare family name. The surname Ruamjai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Ruamjai is the forename as well as the last name.
Pan, Thanyalak, Prasopsuk, Kanyaporn, Chomkhwan, Akaraphon, Warakorn, Juthamat, Rangsiya, Nakanun, Treerat, Tawaree, Jutiporn, Porames, Chompunuch, Sooksan, Usamas, Niwasa, Tanida, Jinpetch, Jamjan, Rawipa, Preeda, Kimtin, Suwida, Pahon, Amnat, Malai, Karn, Suschapuri, and Rattayaporn