Family name Arjunaa (Arjunaa 
) , all around the world, is an extremely rare last name. The last name Arjunaa is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Arjunaa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arjunaa | India |
Khatoon, Prabhakar, and Vijayakanthan