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