Cognomen Denis Leonel (Denis Leonel 
) , around the world, is an extremely rare family name. The last name Denis Leonel is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Denis Leonel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Denis Leonel | Peru, Argentina, Chile, Ecuador, Costa Rica |