Cognomen Delco-Rostalin (Delco-Rostalin 
) , in the entire world, is an extremely rare last name. Much more prevalently, Delco-Rostalin is the forename as well as the last name. Parts of the name also exists independently as a last name Delco, and a first name Rostalin.
| VARIANT | COUNTRY |
|---|---|
| Delco-Rostalin | Democratic Republic of the Congo |