Surname Милентий (Милентий 
, Milenty, Milentii 
) , throughout the world, is a very rare family name. The surname Милентий is habitual in Kazakhstan, where it is a very rare surname, Russia, where it is an extremely rare surname, and the United States. More prevalently, Милентий is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Милентий | Kazakhstan, Russia, Belarus |
| Milentii | United States |