Surname Ослин (Oslin 
, Oslyn 
, Osline 
) , globally, is quite a rare cognomen. The family name Ослин is habitual in Honduras, where it is quite a rare surname, Latvia, where it is a rare surname, and Lithuania. In absolute terms, it is commonest in the United States, Honduras, and Russia. Also, Ослин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oslin | Honduras, Venezuela, United States, Guatemala, Dominican Republic |
| Oslyn | South Africa, Honduras, Venezuela, United States, Saint Vincent and the Grenadines |
| Osline | Brazil, Venezuela, Canada, United States, India |
| Ослин | Kazakhstan, Russia |