Surname Sondja (Sondja 
) , around the globe, is an extremely rare family name. The surname Sondja is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much more prevalently, Sondja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sondja | United States, Brazil, Democratic Republic of the Congo |