Family name มุน (Mun 
, มุน 
) , around the world, is a widespread cognomen. The last name มุน is habitual in South-eastern Asia, particularly Malaysia, where it is a common surname, Singapore, where it is quite a common surname, and Myanmar. Not in comparison with a country's population, it is the most numerous in Malaysia, India, and Myanmar. Much less frequently, มุน is the forename as well as the last name.