In the world, Алексеев (Алексеев 
, Alexeev 
, Alekseev 
, and others...) is a rare masculine first name. The first name Алексеев is characteristic of Russia, where it is a very rare boy's name, and China, where it is an extremely rare masculine name. Much more frequently, Алексеев is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Алексеев | Kazakhstan, Ukraine, Belarus, Kyrgyzstan, Russia |
| Alexeev | Belarus, Estonia, United States, Russia, Moldova |
| Alekseev | Germany, Belarus, Estonia, United States, Russia |
| Aleksejev | Germany, Spain, Estonia, United States, Lithuania |
| Alexeyev | Germany, Belarus, United States, Israel, Russia |
| Alekseyev | Germany, Spain, United States, Israel, Russia |
| Alexejew | Austria, Germany, United States, Argentina |
Alekseiev, Aleksieiev, Aleksiejew, Aleksjejew, Aleksyeyev, Alekszejev, Alexeiev, Alexejev, Alyeksyeyev, Алексе'Ев, Алексєєв, and Алєксєєв