Cognomen Alayu (Alayu 
) , in the entire world, is quite a common surname. The last name Alayu is habitual in Ethiopia, where it is quite a rare surname, Philippines, where it is a rare surname, and Saudi Arabia. Likewise, Alayu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alayu | Philippines, United States, Ethiopia, Nigeria, Saudi Arabia |