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