Cognomen Njunja (Njunja 
) , across the world, is a rare family name. The cognomen Njunja is characteristic of Tanzania, where it is a rare surname, and Indonesia, where it is a very rare surname. Very seldom, Njunja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Njunja | Tanzania, India, Indonesia |