Surname Rungsiya (Rungsiya 
) , all around the world, is an extremely rare cognomen. The surname Rungsiya is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Rungsiya is the forename as well as the last name.
Sun, Hannarong, Wongklom, Moonchino, Sathavara, Sinacharoen, Songmuang, Chaiyagit, Chupchainai, Boonkwang, Bootsanam, Praditklay, Promnamdam, Promnumdum, Pongsudhiraks, Pinthurak, Pinijmontree, Phrommada, Sunthonpukdee, Sukrungruang, Chantarumporn, Chapchainai, Tuladhar, Jomtarak, Plianumpai, Phromlok, Sopa, Lyon, Surak, Sopun, Sukhon, Boonma, Katung, Junsai, Saefung, Sealtalut, Chittangkura, Bangjak, Kraitukrang, Pommada, Jantima, Ounsiri, Saenubon, Songsaing, Chuengomol, Pantaeng, Prommada, Polampai, Kantala, and Soonthonpakdee