Family name Йеан (Jean 
, Yean 
, Iean 
) , in the world, is a widespread cognomen. The cognomen Йеан is characteristic of Haiti, where it is a common surname, Seychelles, and Saint Lucia (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in France, Haiti, and Malaysia. More prevalently, Йеан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jean | Madagascar, United States, France, Brazil, Democratic Republic of the Congo |
| Yean | United Kingdom, United States, France, Brazil, Democratic Republic of the Congo |
| Iean | United Kingdom, United States, Canada, France, Brazil |
| Йеан | Armenia, Russia |