Cognomen Potapenkov (Potapenkov 
) , globally, is a very rare surname. The last name Potapenkov is habitual in Latvia, where it is a rare surname, Russia, where it is a very rare surname, and Israel. Measured by absolute frequency, it is commonest in Russia, Latvia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Potapenkov | Israel, Latvia, United States, Russia, Ukraine |