Surname Prasaya (Prasaya 
) , in all the world, is a very rare last name. The surname Prasaya is habitual in Philippines, where it is a very rare surname, Indonesia, and India, where it is an extremely rare surname. Very seldom, Prasaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prasaya | Philippines, Thailand, United States, India, Indonesia |