Around the world, Hamdja (Hamdja 
) is a rare male first name. The forename Hamdja is habitual in Cameroon, where it is a rare masculine name, and Indonesia. Likewise, Hamdja is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hamdja | Germany, Indonesia, France, United States, Cameroon |