Cognomen Журдан (Jourdan 
, Jurdan 
, Zhurdan 
) , throughout the world, is a common last name. The surname Журдан is characteristic of France, where it is quite a common surname, Uruguay, where it is quite a rare surname, and Paraguay. Not in comparison with a country's population, it is the most numerous in France, the United States, and Germany. Very seldom, Журдан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jourdan | Germany, Indonesia, United States, Democratic Republic of the Congo, France |
| Jurdan | Indonesia, United States, Philippines, Democratic Republic of the Congo, France |
| Zhurdan | India |
| Журдан | Ukraine, Russia |