Surname Αρίσταρχος (Aristarchos 
, Aristarchus 
, Αρίσταρχος ) , around the globe, is a rare family name. The family name Αρίσταρχος is characteristic of Greece, where it is quite a rare surname, Nigeria, where it is a very rare surname, and Indonesia. Likewise, Αρίσταρχος is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aristarchos | United States, Greece, Romania, Philippines |
| Aristarchus | Tanzania, Nigeria, Indonesia, United States, Philippines |
| Αρίσταρχος | Greece |
| Aristarc | Spain |
Aristarco, Aristarh, Aristarkh, Aristarkhos, Aristarko, Aristarque, Arystarch, Аристарх, and Арыстарх