Cognomen Ruengrung (Ruengrung 
) , in the world, is a very rare family name. The family name Ruengrung is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Ruengrung is the forename as well as the last name.
Chan, Pranee, Khamron, Rungrod, Chyaphan, Phichamon, Sathaphorn, and Prapitchaya