Trikolonoi (Greek: Τρικόλωνοι) is a former municipality in Arcadia, Peloponnese, Greece.

[3] The municipal unit includes the villages of Stemnitsa (the former municipal seat), Syrna, Pavlia, Palamari, Psari, Ano Kalyvia and Elliniko.

Trikolonoi is located southeast of Dimitsana, west of Tripoli and north of Megalopoli.

The place takes its name from the ancient town of Tricoloni.

The municipal unit Trikolonoi is subdivided into the following communities (constituent villages in brackets):