Family name Oscar Julián (Oscar Julián 
) , across the world, is an extremely rare cognomen. Much more prevalently, Oscar Julián is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oscar Julián | Colombia |
Muñoz, Mejía Ortiz, Ríos García, Patiño Peláez, and García Sarria