The name Artemidoros or Artemidorus (Ancient Greek: Ἀρτεμίδωρος) may refer to:
- Artemidorus Aristophanius, fl. 3rd century BCE, ancient Greek grammarian
- Artemidorus (physician), physician who lived between the 2nd and 3rd centuries BCE
- Artemidorus of Ascalon, ancient historian who wrote on Bithynia
- Artemidorus Cornelius, Greek physician serving the Roman legate Gaius Verres around the 1st century BCE
- Artemidorus Ephesius, (fl. 100 BCE), geographer from Ephesus
- Artemidoros Aniketos (c. 100–80 BCE), Indo-Greek king
- Artemidorus Daldianus, also known as Artemidoros Ephesios (2nd century CE), diviner and author of the Oneirocritica (Interpretation of Dreams)
- Artemidorus of Knidos (fl. 100 BCE), historical figure from Knidos
- Artemidorus of Megara, a philosopher, who, according to Diogenes Laertius in his Lives and Opinions of Eminent Philosophers (9.53) wrote a work against Chrysippus
- Artemidorus, a philosopher who was the son-in-law of the philosopher Gaius Musonius Rufus, was a friend of Pliny the Younger, one of whose letters (3.11) is full of his praise for Artemidorus.
- Artemidorus of Parion was an astronomer whose views were described by Seneca the Younger in his Naturales quaestiones (1.4, 7.13)
- Artemidorus of Tarsus, an ancient grammarian whose works are sometimes confused with those of Artemidorus Aristophanius
- Artemidorus of Tralles, victor of the 69 CE Olympic games at the Pankration
- Artemidorus, a painter who lived at the end of the 1st century CE, mentioned by Martial in his Epigrams (5.40), but who is otherwise entirely unknown.
- Artemidorus of Thyateira, winner of the Stadion race at the 193rd Olympiad in 8 BCE
- Artemidorus Capito, Greek physician of the 3rd century CE