Across the world, Sevastyanov (Севостьянов 
, Севастьянов , Sevastyanov 
) is a very rare male given name. The first name Sevastyanov is characteristic of Eastern Europe, particularly Russia, where it is a very rare masculine name. Much more frequently, Sevastyanov is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Севастьянов, Севостьянов | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Sevastyanov | Russia, Estonia, United States, France, Ukraine |
| Севастянов | Kazakhstan, Russia, Ukraine |
Sevastianov, Sevastijanov, Sewastjanow, Севастианов, and סבסטיאנוב
Mr, Andrew, Andrey, Philip, Ruslan, Daniel, Dmitry, Leonid, Tamara, Nikita, Evgeny, Eugene, Viktor, Mikhail, Aleksey, Dmitriy, Nikolay, Vitaliy, Alexandr, Anatoliy, Nickolay, Valdimir, Alexey, Sergey, Mihail, Marina, Ms, Mark, Alex, Gera, Egor, Ilya, Ivan, Igor, Olga, Oleg, Vladimir, Maxim, Boris, Pavel, Roman, Denis, Vasyl, Vadim, Irina, Ilija, Yuliy, Yuriy, Anton, and Vsevolod