Surname Cornelio Fabian (Cornelio Fabian 
) , across the world, is a very rare last name. The family name Cornelio Fabian is habitual in Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare surname. Likewise, Cornelio Fabian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cornelio Fabian | Ecuador, Peru, Dominican Republic, Spain |