In the world, Воробьев (Воробьев 
, Vorobyev 
, Vorobev 
, among others...) is a rare male first name. The first name Воробьев is characteristic of Belarus, where it is a rare boy's name, Russia, where it is a very rare masculine name, and China, where it is an extremely rare masculine name. Much more prevalently, Воробьев is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Воробьев | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Vorobyev | Israel, Belarus, United States, Russia, Uzbekistan |
| Vorobev | Belarus, United States, Germany, Russia, Indonesia |
| Vorobyov, Vorobiev | Israel, Belarus, United States, Germany, Russia |
| Vorob'Ev | Russia, Belarus |