Cognomen Janyana (Janyana 
) , in the world, is a very rare surname. The last name Janyana is habitual in Thailand, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Also, Janyana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janyana | South Africa, Thailand, United States, India, Brazil |