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 | Dominican Republic, France, Algeria, United States, Morocco |
| Klase | Ethiopia, Algeria, South Africa, United States, Morocco |
| Clase | Dominican Republic, Algeria, South Africa, United States, Morocco |
| Klasi | Brazil, Switzerland, South Africa, United States, Indonesia |