Last name Koyaa (Koyaa 
) , in all the world, is a very rare surname. The last name Koyaa is characteristic of Cyprus, where it is quite a rare surname, and India, where it is an extremely rare surname. Very seldom, Koyaa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koyaa | Cyprus, India |