Around the world, Greyssi (Greyssi 
) is a very rare female given name. The forename Greyssi is habitual in Latin America and the Caribbean, particularly Peru, where it is a very rare feminine name, Mexico, and Brazil, where it is an extremely rare female name. Very seldom, Greyssi is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Greyssi | Mexico, Honduras, Peru, Colombia, India |