Cognomen اياى (Iyayi 
, اياى 
) , in the world, is quite a rare family name. The last name اياى is characteristic of Nigeria, where it is a rare surname, Ethiopia, where it is a very rare surname, and the United Kingdom. Also, اياى is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iyayi | United Kingdom, China, United States, Ethiopia, Nigeria |
| اياى | Iraq |