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