Promachus (Greek: Πρόμαχος - Promachos) was a pankration athlete of the Ancient Olympic Games in Olympia, Greece.
Son of Dryon, he was from Pellene in Achaea.
He was a winner of the 94th Olympiad in 404 BC.
He also won three times at the Isthmian and the Nemean Games.
This ancient Greek biographical article is a stub.