Family name Eliak (Eliak 
) , around the world, is an extremely rare last name. The cognomen Eliak is characteristic of Nicaragua, where it is a very rare surname, Israel, and Honduras. Measured by absolute frequency, it is commonest in Mexico, Nicaragua, and Israel. More prevalently, Eliak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eliak | Nicaragua, Mexico, Honduras, Israel, Brazil |