Last name มุ้ย (Mui 
, Muik 
, มุ้ย) , all around the world, is a common surname. The family name มุ้ย is habitual in Macao, where it is quite a common surname, Malaysia, and Hong Kong (explore the name in all countries). Not in comparison with a country's population, the name is most common in Malaysia, Hong Kong, and the United States. Likewise, มุ้ย is the forename as well as the last name.