Across the world, Лупачёв (Лупачёв 
, Lupachev 
) is an extremely rare unknown gender forename. Much more frequently, Лупачёв is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Лупачёв | Kazakhstan, Russia, Belarus |
| Lupachev | Russia, United States, Belarus |