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