From Ancient Greek Κηφεύς (Kēfeus)
- (Greek mythology) Husband of Cassiopeia, king of Eritrea, father of Andromeda. There may be two mythical kings by this name.
- (astronomy) A circumpolar constellation of the northern sky representing the king Cepheus from Greek myth. The constellation lies between Draco and Cassiopeia.
mythical husband of Cassiopeia