Surname Алая (Alaya 
, Alaia 
, Alaja 
) , all over the world, is a common family name. The family name Алая is habitual in Tunisia, where it is quite a common surname, Syria, where it is quite a rare surname, and Peru. Measured by absolute frequency, the name is most common in Tunisia, Peru, and Italy. Also, Алая is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alaya | Peru, Tunisia, Italy, India, Nigeria |
| Alaia | Tunisia, Italy, India, Syria, Nigeria |
| Alaja | Peru, India, Syria, Nigeria, Malaysia |
| Алая | Russia, Ukraine |