Throughout the world, Klase (Classe 
, Klase 
, Clase ) is a rare unisex first name. The forename Klase is habitual in Sweden, where it is a rare boy's name, Ethiopia, where it is a rare feminine name, and Algeria, where it is a rare boy's name. More prevalently, Klase is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Classe | Morocco, United States, Dominican Republic, France, Algeria |
| Klase | Morocco, United States, South Africa, Ethiopia, Algeria |
| Clase | Morocco, United States, Dominican Republic, South Africa, Algeria |
| Klasi | United States, Switzerland, Indonesia, South Africa, Brazil |