Family name Olkan (Olkan 
) , all around the world, is a rare last name. The cognomen Olkan is habitual in Turkey, where it is a rare surname, Mexico, where it is an extremely rare surname, and China. More prevalently, Olkan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olkan | France, Mexico, China, Germany, Turkey |
| hakan olkan Turkish association football player, TR (b. 1992) |
|