Worldwide, Gamna (Gamna 
) is a rare unisex given name. The forename Gamna is habitual in Southern Asia, particularly Pakistan, where it is a very rare masculine name, and India, where it is an extremely rare epicene name. Likewise, Gamna is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gamna | Italy, Nigeria, India, Pakistan, Canada |