In Greek mythology, the name Hypseus (/ˈhɪpsiːəs/; Ancient Greek: Ὑψεύς) may refer to:
Hypseus, King of the Lapiths, son of the river god Peneus by the naiad Creusa, daughter of Gaia, or by Philyra, a daughter of Asopus. By Chlidanope he had four daughters: Cyrene, Themisto, Alcaea and Astyagyia (who married Periphas).
Hypseus, who fought on Phineus' side against Perseus. He killed Prothoenor, but was himself slain by Lyncides.
Hypseus, son of Asopus, who fought in the war of the Seven Against Thebes. He killed a number of opponents, including Antiphōs, Astyages, Linus, and Tages, and was himself slain by Capaneus.
