Cognomen Kuosku (Kuosku 
) , globally, is a very rare surname. The last name Kuosku is habitual in Finland, where it is a rare surname, Sweden, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kuosku | Finland, United States, Sweden |
| matti kuosku Swedish cross-country skier and cross-country runner (1941-2012), SE (b. 1941) |
|