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 | Brazil, France, Madagascar, United States, Democratic Republic of the Congo |
| Yean | Brazil, France, United Kingdom, United States, Democratic Republic of the Congo |
| Iean | Brazil, France, United Kingdom, Canada, United States |
| Йеан | Russia, Armenia |