In Greek mythology, Thyamis (Ancient Greek: Θύαμις) was a commander, along with his brothers, the Cyraioi, who fought together with Deriades against Dionysus in the Indian War. He was son of Tarbelus and is mentioned in Nonnus Dionysiaka.[1] Another individual named Thyamis was a warrior in the army of Dionysus during the Indian War. He was killed by King Deriades of India.[2]