Phrygian can refer to: Anything relating to the region of Phrygia Anything relating to the Phrygians, an ethnic group Phrygian language, their language Phrygian cap, once characteristic of the region Phrygian helmet, used historically in Thracian, Dacian, Classical and Hellenistic Greek armies, and later among Romans Phrygian mode in music A follower of Montanism, an early Christian movement in Phrygia