Surname Eyak (Eyak 
) , in the world, is a rare family name. The family name Eyak is habitual in Nigeria, where it is a rare surname, Philippines, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, it is the most numerous in Nigeria, Philippines, and Indonesia. Likewise, Eyak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eyak | Philippines, Nigeria, Malaysia, India, Indonesia |