Moeris may refer to:
- Moeris (skipper), a genus of butterflies in the grass skipper family
- Lake Moeris, an ancient lake of Egypt
- Amenemhat III (c. 1860–1814 BC), Twelfth Dynasty pharaoh who reportedly dug the lake
- Lacus Moeris, a surface feature on Mars
- Aelius Moeris (fl. 2nd century), Greek grammarian