Orestias (disambiguation)

Orestias may refer to:


 * Orestiada, a town in the Evros regional unit, Greece
 * the ancient Greek city of Orestias, now in Turkey
 * Orestias (fish), a genus of South American fishes in the family Cyprinodontidae
 * Orestias (plant), a genus of African plants in the family Orchidaceae