Cognomen Карасач (Карасач 
) , around the globe, is a very rare surname. The surname Карасач is habitual in Kyrgyzstan, where it is a rare surname, and Ukraine, where it is an extremely rare surname. More prevalently, Карасач is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Карасач | Kyrgyzstan, Kazakhstan, Russia, Ukraine |