Surname Лавреньтьев (Лавреньтьев 
, Lavrentev 
, Lavrentiev 
) , worldwide, is a rare last name. The cognomen Лавреньтьев is habitual in Moldova, where it is quite a rare surname, Slovakia, where it is a rare surname, and Estonia. Not in comparison with a country's population, this name is the most popular in Russia, Moldova, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Лавреньтьев | Russia, Belarus |
| Lavrentev | Greece, United States, Germany, Russia, Czechia |
| Lavrentiev | Moldova, United States, Germany, Russia, Slovakia |