Demetrias (disambiguation)

Demetrias (Ancient Greek: Δημητριάς) may refer to:

• Demetrias, an ancient city near the modern Greek city of Volos
• Demetrias in Assyria, an ancient Greek colony in northern Iraq
• Demetrias (beetle), a genus of ground beetle
• Demetrias (daughter of Anicius Hermogenianus Olybrius), Roman noblewoman of the 5th century