Last name Мыой (Muoi 
, Мыой, Myoy) , in the entire world, is quite a rare cognomen. The cognomen Мыой is characteristic of South-eastern Asia, particularly Malaysia, where it is quite a rare surname, Vietnam, where it is a rare surname, and Singapore, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Vietnam, Malaysia, and China. Likewise, Мыой is the forename as well as the last name.