Last name Лаврьентьев (Лаврьентьев 
) , in all the world, is an extremely rare family name. The last name Лаврьентьев is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Лаврьентьев | Russia |
Lavrentev, Lavrentyev, and Lavrientiev