Family name Корнил (Корнил 
, Kornil 
) , worldwide, is an extremely rare cognomen. The cognomen Корнил is habitual in Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. Predominantly, Корнил is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Корнил | Kazakhstan, Russia, Ukraine |
| Kornil | India, Canada, United States, Philippines |