Cognomen Giyash (Giyash 
) , all over the world, is a rare family name. The last name Giyash is characteristic of Southern Asia, particularly Bangladesh, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Giyash is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Giyash | Oman, Saudi Arabia, India, Bangladesh |