Across the world, Oosterbaan (Oosterbaan 
) is an extremely rare unknown gender forename. Predominantly, Oosterbaan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Oosterbaan | Netherlands, Belgium, Canada, Poland, United States |
| heere oosterbaan NL (b. 1736) |
|
|
| roos oosterbaan Dutch basketball player, NL (b. 1979) |
|
|
| gosse oosterbaan politician |
|