Cognomen Ridan (Ridan 
, Ridelle 
, ريدان 
) , throughout the world, is quite a rare family name. The cognomen Ridan is habitual in Syria, where it is quite a rare surname, Lebanon, and Belgium, where it is a rare surname. In absolute terms, it is commonest in Syria, Indonesia, and Yemen. Likewise, Ridan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ridan | Syria, Indonesia, Ethiopia, China, Algeria |
| Ridelle | United States, France, Belgium, Democratic Republic of the Congo, Brazil |
| ريدان | Saudi Arabia, Tunisia, Syria, Lebanon, Yemen |
| Ридан | Russia |
|
jerzy ridan Polish film director, PL (b. 1943) |
|