Family name Janagaraja (Janagaraja 
) , all over the world, is a very rare cognomen. The last name Janagaraja is characteristic of Australia, where it is a rare surname, and India, where it is an extremely rare surname. Likewise, Janagaraja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janagaraja | India, Australia |