Surname เรืองขวัญ (Rerngkwan 
, เรืองขวัญ , Ruangkwan) , all over the world, is a very rare last name. The cognomen เรืองขวัญ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, เรืองขวัญ is the forename as well as the last name.