Throughout the world, Носов (Носов 
, Nosov 
, Nosow 
) is a very rare primarily masculine, but very infrequently feminine first name. The forename Носов is habitual in Belgium, where it is a rare masculine name, and China, where it is an extremely rare male name. Predominantly, Носов is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Носов | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Nosov | Serbia, Poland, United States, Russia, Uzbekistan |
| Nosow | Brazil, Germany, Poland, United States |
| Nossov | Poland, Lithuania, United States, Germany, Russia |