Family name Jilber (Jilber 
) , in all the world, is a rare last name. The cognomen Jilber is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is quite a rare surname, Honduras, where it is a rare surname, and Venezuela. Measured by absolute frequency, it most frequently occurs in Latin America and the Caribbean, particularly Nicaragua, Venezuela, and Mexico. More prevalently, Jilber is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jilber | Peru, Colombia, Venezuela, Nicaragua, Mexico |