Surname Fabian Jacob (Fabian Jacob 
) , in all the world, is a very rare family name. The cognomen Fabian Jacob is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Fabian Jacob is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fabian Jacob | Ecuador, Chile, United States |