Surname וולגר (Walger 
, Woolgar 
, וולגר 
) , globally, is quite a rare family name. The cognomen וולגר is habitual in the United Kingdom, where it is quite a rare surname, Germany, where it is a rare surname, and Australia. Not in comparison with a country's population, it is the most numerous in the United Kingdom, Germany, and Brazil. Much less frequently, וולגר is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Walger | Brazil, France, United Kingdom, United States, Germany |
| Woolgar | Brazil, Australia, United Kingdom, United States, Germany |
| וולגר | Israel |