Cognomen Kareno (Kareno 
) , around the world, is a very rare surname. The family name Kareno is characteristic of Finland, where it is a rare surname, Canada, where it is an extremely rare surname, and the United States. Very seldom, Kareno is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kareno | United States, Canada, Finland, Malaysia |
| alexander kareno (b. 1889) |
|