Family name Вагер (Vager 
, Wager 
, Vaguer 
) , all over the world, is quite a common surname. The cognomen Вагер is habitual in Switzerland, where it is quite a rare surname, Hungary, and Denmark. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Germany. Much less frequently, Вагер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vager | Germany, Australia, Hungary, United States, France |
| Wager | Germany, United Kingdom, Switzerland, United States, Canada |
| Vaguer | Spain, Peru, Argentina, France, Brazil |
| Вагер | Russia, Ukraine, Belarus |