Family name Гульбаяз (Гульбаяз 
, Gulbaiaz 
) , around the globe, is a very rare cognomen. The surname Гульбаяз is habitual in Georgia, where it is a rare surname, and Kyrgyzstan. More prevalently, Гульбаяз is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Гульбаяз | Russia, Ukraine, Kazakhstan, Kyrgyzstan |
| Gulbaiaz | Georgia |