Surname Leolein (Leolein 
) , worldwide, is an extremely rare family name. The cognomen Leolein is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. Predominantly, Leolein is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leolein | France, Venezuela, United States, Cameroon |