Cognomen 穆泽 (Meuser 
, 穆泽 
) , in all the world, is quite a rare surname. The family name 穆泽 is habitual in Germany, where it is quite a rare surname, Belgium, where it is a rare surname, and Sweden. Measured by absolute frequency, the name is most common in Germany, the United States, and Canada. Much less frequently, 穆泽 is the forename as well as the last name.