Cognomen Классон (Klasson 
, Claeson 
, Классон 
) , in all the world, is quite a rare surname. The surname Классон is characteristic of Northern Europe, particularly Sweden, where it is quite a common surname, Norway, where it is quite a rare surname, and Estonia, where it is a rare surname. In absolute terms, the name is most common in Sweden, the United States, and Norway.
| VARIANT | COUNTRY |
|---|---|
| Klasson | Sweden, Norway, United States, Pakistan, Canada |
| Claeson | Sweden, Norway, United Kingdom, United States, Denmark |
| Классон | Russia, Ukraine |
|
екатерина робертовна классон Soviet Russian painter (1901–1980), AZ (b. 1901) |
|
| классон, роберт эдуардович UA (b. 1868) |
|