In all the world, Muen (沐恩 
, หมืน 
, Muen 
) is a rare gender-neutral forename. The given name Muen is habitual in Thailand, where it is a rare mostly masculine, but seldom female name, China, where it is a very rare epicene name, and Indonesia, where it is a very rare girly name. Measured by absolute frequency, it is commonest in China, Thailand, and India. Much less frequently, Muen is the last name as well as the forename.