Last name Muenwai (Muenwai 
) , in all the world, is a very rare cognomen. The cognomen Muenwai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Muenwai is the forename as well as the last name.
Darin, Narin, Arisara, Jakkree, Jukkree, Weeraanong, and Phitchanan