Family name Lardja (Lardja 
) , throughout the world, is a rare surname. The cognomen Lardja is habitual in Algeria, where it is a rare surname, and France, where it is a very rare surname. Likewise, Lardja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lardja | Algeria, France, Togo |