Argeus (, "the hunter") can refer to:
Greek mythology
- Argeus (king of Argos)
- Argeus, a surname of Pan and Aristaeus
- Argeus, one of the sons (in a rare version of the myth) of Phineus and Danaë, the other being Argus
- Argeus, son of Deiphontes and Hyrnetho
- Argeus, one of the Niobids
- Argeus, son of Licymnius, brother of Melas
- Argeus, son of Pelops and Hippodamia, by Hegesandra father of Alector and Boethoos