In the world, Grenis (Grenis 
) is a very rare largely female, but seldom boy's given name. The given name Grenis is habitual in Colombia, where it is a very rare girly name, and India, where it is an extremely rare epicene name. Likewise, Grenis is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Grenis | Canada, United States, Venezuela, Colombia, India |