Around the world, Селезнев (Селезнев 
, Seleznev 
, Seleznyov 
) is a rare boy's first name. The given name Селезнев is habitual in Russia, where it is a very rare male name, and China, where it is an extremely rare boy's name. Much more frequently, Селезнев is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Селезнев | Azerbaijan, Russia, Kazakhstan, Belarus, Ukraine |
| Seleznev | Russia, Belarus, United States, Uzbekistan, Latvia |
| Seleznyov | Russia, Kazakhstan, Ukraine, United States, Austria |
| Selezniov | Germany, Canada, Ukraine, Lithuania, United States |
Селезнев is also a name for the fictitious and mythical characters: .