Cognomen Oestboe (Oestboe 
) , around the world, is a rare surname. The cognomen Oestboe is characteristic of Norway, where it is quite a rare surname, Malta, and South Africa, where it is an extremely rare surname. Much less frequently, Oestboe is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oestboe | Malta, United Kingdom, South Africa, Norway |