Surname Khatkov (Хатьков 
, Khatkov 
) , all over the world, is a rare cognomen. The surname Khatkov is habitual in Latvia, where it is a rare surname, Austria, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Хатьков | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| Khatkov | Austria, Russia, Latvia |