Globally, Martja (Martja 
) is a very rare primarily boy's, but very infrequently girly forename. The first name Martja is characteristic of Indonesia, where it is a very rare boy's name, and India, where it is an extremely rare masculine name. Much less frequently, Martja is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Martja | India, Mexico, United States, Indonesia |