Geon may refer to: Geon (geology), a time interval Geon (Korean name), a Korean masculine given name Geon (physics), a hypothetical gravitational wave packet Geon (psychology), a geometrical primitive out of which everyday objects can be represented Geon, short for geonim, rabbis in the medieval era Geon, a character from the King of the Monsters series of video games Geon: Emotions, a video game for Xbox 360's Xbox Live Arcade service Geon (video game), for PlayStation 3's PlayStation Network and Nintendo Wii