Family name Мустер (Muster 
, Мустер 
, Mouster 
) , in the entire world, is quite a common surname. The last name Мустер is habitual in Western Europe, particularly Liechtenstein, where it is quite a common surname, Switzerland, and Austria, where it is quite a rare surname. In absolute terms, this name is the most popular in Western Europe, particularly Germany, Netherlands, and Switzerland. Very seldom, Мустер is the forename as well as the last name.