Surname Stupnev (Stupnev 
, Ступнев 
) , throughout the world, is a rare family name. The cognomen Stupnev is characteristic of Russia, where it is a very rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Stupnev | Russia |
| Ступнев | Kazakhstan, Russia, Ukraine |