Surname Лемков (Лемков 
, Lemkov 
) , worldwide, is a rare cognomen. The surname Лемков is habitual in Estonia, where it is quite a rare surname, Belarus, where it is a rare surname, and Israel. In absolute terms, it is the most numerous in Russia, Belarus, and Estonia.
| VARIANT | COUNTRY |
|---|---|
| Лемков | Kazakhstan, Russia, Ukraine, Belarus |
| Lemkov | Germany, Russia, Estonia, United States, Israel |