Cognomen Крилл (Krill 
, Крилл 
) , in all the world, is quite a rare family name. The cognomen Крилл is habitual in Isle of Man, where it is quite a rare surname, Austria, and Germany, where it is a rare surname. In absolute terms, the name is most common in the United States, Germany, and France. Much less frequently, Крилл is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Krill | Germany, Austria, United States, Canada, France |
| Крилл | Kyrgyzstan, Kazakhstan, Russia |