Family name Aristarkus (Aristarkus 
) , in the world, is a very rare last name. The surname Aristarkus is habitual in Indonesia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. More prevalently, Aristarkus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aristarkus | Indonesia, Nigeria |