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 | Australia, Germany, Hungary, France, United States |
| Wager | Germany, Canada, United Kingdom, United States, Switzerland |
| Vaguer | Peru, France, Argentina, Spain, Brazil |
| Вагер | Russia, Ukraine, Belarus |