Surname Гулкан (Гулкан 
, Gulkan 
, Goulkan 
) , around the globe, is a rare last name. The surname Гулкан is habitual in Kyrgyzstan, where it is quite a common surname, Turkey, where it is a very rare surname, and South Africa. Also, Гулкан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Гулкан | Kazakhstan, Russia, Kyrgyzstan |
| Gulkan | United States, India, Georgia, Malaysia, Turkey |
| Goulkan | South Africa |