Family name Louis Jean (Louis Jean 
) , all around the world, is a rare cognomen. The cognomen Louis Jean is habitual in Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare surname, Haiti, and Jamaica. Measured by absolute frequency, the name is most common in Haiti, the Dominican Republic, and the United States. Very seldom, Louis Jean is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Louis Jean | Haiti, Jamaica, Dominican Republic, Spain, United States |