Family name Rattanarin (Rattanarin 
) , in the world, is a very rare last name. The surname Rattanarin is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Rattanarin is the forename as well as the last name.
Saran, Sa Ing, Saravut, Sudachai, Anchalee, Chadchai, Thanarat, Neatchanok, Sasivakarn, Sudachanai, and Hathaichanok