Messatida (Greek: Μεσσάτιδα) is a former municipality in Achaea, West Greece, Greece.

Since the 2011 local government reform it is part of the municipality Patras, of which it is a municipal unit.

[3] It is located south of Patras city centre, and stretches from the urbanized plains near the Gulf of Patras to the Omplos hills in the east.

[4] Messatida was named after the ancient Achaean town Mesatis, according to local legend the place where Dionysus was reared.

[5] The municipal unit Messatida is subdivided into the following communities (constituent villages in brackets):