Cognomen Tidja (Tidja 
) , across the world, is a rare last name. The surname Tidja is habitual in Indonesia, where it is a rare surname, Algeria, and Nigeria, where it is an extremely rare surname. Likewise, Tidja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tidja | Philippines, United States, Indonesia, Nigeria, Algeria |