All around the world, ジャーン (Giaan 
, ジャーン) is a very rare epicene forename. The first name ジャーン is habitual in Southern Asia, particularly India, where it is an extremely rare unisex name. Much less frequently, ジャーン is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Giaan | South Africa, Australia, Mexico, United States, India |