Cognomen Giyana (Giyana 
) , across the world, is a rare surname. The last name Giyana is habitual in South Africa, where it is a very rare surname, Indonesia, and the United States, where it is an extremely rare surname. Also, Giyana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Giyana | South Africa, Indonesia, United States, Philippines, India |