Cognomen မုန္းဒယ္ (မုန္းဒယ္ 
) , all over the world, is a very rare family name. The family name မုန္းဒယ္ is habitual in South-eastern Asia, particularly Myanmar, where it is a very rare surname. Also, မုန္းဒယ္ is the forename as well as the last name.