Surname Gayasha (Gayasha 
) , throughout the world, is a rare cognomen. The family name Gayasha is habitual in Southern Asia, particularly Sri Lanka, where it is quite a rare surname, and India, where it is an extremely rare surname. Very seldom, Gayasha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gayasha | India, Sri Lanka |