Ambrax (; ) was a Greek mythological king of the city of Ambracia located in the region in Epirus in ancient Greece. He was king was the exiled Aeneas came to his city. He was son of Dexamenus that was in turn son of Hercules.

Ambrax (; ) was a Greek mythological king of the city of Ambracia located in the region in Epirus in ancient Greece. He was king was the exiled Aeneas came to his city. He was son of Dexamenus that was in turn son of Hercules.