Last name Лузер (Loser 
, Luzer 
, Лузер 
) , across the world, is quite a rare cognomen. The surname Лузер is habitual in Western Europe, particularly Switzerland, where it is quite a common surname, Austria, where it is quite a rare surname, and Germany. Measured by absolute frequency, this name is the most popular in Germany, Switzerland, and the United States. Very seldom, Лузер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Loser | Indonesia, China, Germany, United States, Switzerland |
| Luzer | Israel, Poland, Argentina, Germany, United States |
| Лузер | Russia |
| Louzer | Brazil, United States |