Surname Манкаускас (Манкаускас 
) , in all the world, is an extremely rare cognomen. The last name Манкаускас is characteristic of Eastern Europe, particularly Ukraine, where it is an extremely rare surname, and Russia. Likewise, Манкаускас is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Манкаускас | Kazakhstan, Ukraine, Russia |