In Greek mythology, Ceteus (Ancient Greek: Κητεύς Kêteus means "of the ravines" from kêtôeis) may refer to the following two characters: * Ceteus, an Arcadian prince as one of the 50 sons of the impious King Lycaon either by the naiad Cyllene, Nonacris or by unknown woman. He was said to be the father of Callisto or , both were called the mother of Arcas. In one account, Callisto's mother was called Stilbe. Ceteus was called the Kneeler among the stars. These events have taken place on the Arcadian mountain of Nonacris. * Ceteus, one of the commanders of the Lamian Centaurs who joined Dionysus in his campaign against India.