Aristarchus
Aristarchus ( Greek Ἀρίσταρχος Arístarchos , Latinized Aristarchus ) means:
- Aristarchus of Samos (3rd century BC), Greek astronomer and mathematician
 - Aristarchus of Samothrace (2nd century BC), Greek philologist
 - Aristarchus of Tegea , Greek poet
 - Aristarchus , a moon crater
 - (3999) Aristarchus , an asteroid
 - the Aristarchus Telescope, see list of the largest optical telescopes
 - Aristarchus, sive De contemptu linguae Teutonicae , the first work of the German poet Martin Opitz von Boberfeld
 - Aristarchus of Thessalonice , a companion of St. Paul
 
Aristarchus denotes transferred
- a "severe critic" (after Aristarchus of Samothrace)