Throughout the world, Гусейнов (Гусейнов 
, Huseynov 
, Husejnov , along with others...) is quite a rare masculine given name. The first name Гусейнов is characteristic of Reunion, where it is quite a common male name, Azerbaijan, where it is quite a rare boy's name, and Russia, where it is a rare boy's name. Not in comparison with a country's population, it most frequently occurs in Russia, Azerbaijan, and China. Much more prevalently, Гусейнов is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Гусейнов | Kazakhstan, Poland, Ukraine, Azerbaijan, Russia |
| Huseynov | China, United States, Tajikistan, Azerbaijan, Russia |
| Husejnov | Azerbaijan |
| Guseynov | Turkmenistan, China, United States, Azerbaijan, Russia |
| Hüseynov | Turkey, United Kingdom, United States, Azerbaijan, Russia |
| Guseinov | Turkey, China, United States, Azerbaijan, Russia |
| Gusejnov | Russia, Germany |