Last name Куньщиков (Куньщиков 
, Kunshchikov , Kunscikov 
) , worldwide, is a very rare cognomen. The family name Куньщиков is habitual in Lithuania, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Куньщиков | Kazakhstan, Ukraine, Russia |
| Kunshchikov | Russia |
| Kunscikov | Lithuania |