Surname Korotkix (Коротких 
, Korotkix 
) , in all the world, is quite a common family name. The cognomen Korotkix is habitual in Russia, where it is quite a rare surname, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Коротких | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Korotkix | Ukraine, Georgia, Russia |