Globally, Olben (Olben 
) is a rare boy's forename. The first name Olben is habitual in Cuba, where it is a rare male name, the Democratic Republic of the Congo, and South Africa, where it is a very rare male name. Very seldom, Olben is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Olben | Cuba, Spain, Honduras, South Africa, Democratic Republic of the Congo |