Cognomen Munaja (Munaja 
) , around the world, is quite a common family name. The last name Munaja is characteristic of Ethiopia, where it is quite a rare surname, Indonesia, where it is a very rare surname, and Malaysia. In absolute terms, this name is the most popular in Ethiopia, Indonesia, and Nigeria. Much less frequently, Munaja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Munaja | Indonesia, India, Ethiopia, Nigeria, Saudi Arabia |