Surname בולדר (Bolder 
, בולדר 
) , in all the world, is quite a rare cognomen. The family name בולדר is habitual in Netherlands, where it is quite a rare surname, Germany, where it is a rare surname, and Australia. Not in comparison with a country's population, the name is most common in Netherlands, Germany, and the United States. Very seldom, בולדר is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bolder | Netherlands, United Kingdom, United States, Germany, Australia |
| בולדר | Israel |