All over the world, Gulain (Gulain 
) is a very rare gender-neutral given name. The first name Gulain is habitual in Southern Asia, particularly India, where it is an extremely rare epicene name. Very seldom, Gulain is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gulain | India, France, Democratic Republic of the Congo, United States |