Surname Krivtcov (Кривцов 
, Krivtcov 
) , all around the world, is quite a common cognomen. The family name Krivtcov is habitual in Russia, where it is quite a rare surname, Belarus, and Kazakhstan. Not in comparison with a country's population, the name is most common in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Кривцов | Kazakhstan, Ukraine, Belarus, Kyrgyzstan, Russia |
| Krivtcov | United States, Russia |