Cognomen Jahma (Jahma 
) , in the entire world, is a very rare surname. The surname Jahma is characteristic of Thailand, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and India. Also, Jahma is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jahma | Nigeria, United States, Thailand, India, France |