Last name Olaysa (Olaysa 
) , in the world, is an extremely rare cognomen. The last name Olaysa is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. More prevalently, Olaysa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olaysa | Spain, Peru, Venezuela, Philippines |