Family name Долкан (Долкан 
) , all around the world, is a very rare surname. The surname Долкан is characteristic of Kazakhstan, where it is a very rare surname, Kyrgyzstan, and Russia. In absolute terms, it is commonest in Russia, Ukraine, and Kazakhstan. Very seldom, Долкан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Долкан | Kyrgyzstan, Kazakhstan, Ukraine, Russia |