Last name Леон-Роман (Леон-Роман 
) , throughout the world, is an extremely rare cognomen. Much more prevalently, Леон-Роман is the forename as well as the last name. Parts of the name also exists independently as a first name Леон, and a first name Роман.
| VARIANT | COUNTRY |
|---|---|
| Леон-Роман | Ukraine |