Last name Olsoff (Olsoff 
) , throughout the world, is a very rare family name. The surname Olsoff is characteristic of Canada, where it is a very rare surname, Mexico, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Olsoff | Canada, Mexico, United States |
| wendy olsoff American art curator and art dealer, US (b. 1956) |
|