Cognomen Авлин (Avlin 
, Avlyn 
, Avline 
) , in the entire world, is a very rare surname. The cognomen Авлин is characteristic of Bulgaria, where it is a rare surname, Israel, where it is a very rare surname, and Russia. In absolute terms, it is the most numerous in Russia, Bulgaria, and India. More prevalently, Авлин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Avlin | South Africa, Philippines, Bulgaria, United States, India |
| Avlyn | South Africa, Malaysia, United States, India, Canada |
| Avline | India, France |
| Авлин | Russia |