Last name Kilochek (Kilochek 
, Килочек 
) , globally, is a rare family name. The cognomen Kilochek is characteristic of Kazakhstan, where it is a very rare surname, Russia, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kilochek | Russia |
| Килочек | Kazakhstan, Russia, Ukraine |
| darja evgenevna kilochek RU (b. 1984) |
|