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 | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
| Nosov | Russia, Serbia, United States, Poland, Uzbekistan |
| Nosow | Poland, Brazil, Germany, United States |
| Nossov | Germany, Russia, Lithuania, United States, Poland |