Worldwide, Кассис (Kassis 
, Cassis 
, Kassys ) is a rare unisex first name. The first name Кассис is habitual in Lebanon, where it is a rare male name, France, where it is a very rare dominantly female, but seldom masculine name, and Brazil, where it is an extremely rare gender-neutral name. Much more frequently, Кассис is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kassis | Syria, Egypt, Lebanon, United States, France |
| Cassis | Italy, Egypt, United States, France, Brazil |
| Kassys | Brazil, United States |
| Кассис | Kyrgyzstan, Russia, Ukraine |