Family name Muenfun (Muenfun 
) , around the world, is an extremely rare last name. The last name Muenfun is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Muenfun is the forename as well as the last name.
Nilkuha, Ninnoy, Promtha, Juntong, Salaohorm, Sriruksa, Khawbanna, Ruenkong, Tungkatucha, Nuntiyagul, Chitpraphai, Jindamanee, and Thunyaluck