Agios Nikolaos is a village in West Mani Municipality, in the regional unit of Messenia, in the region of Peloponnese, Greece. Agios Nikolaos lies 0.1 km from the Taygetus mountains. It has 378 inhabitants (2021). The nearest city is Kalamata, 28 km to the northwest. Beaches nearby: Pantazi Beach (1.3 km), Stoupa Beach (3.1 km), Kalogria (3.6 km). Among the landmarks around are Mystras (29 km), Sparta (31 km) and Amyclae (28 km). Among the natural features are Cave of Caiada (31 km) and Drakos-Selinitsa system (2.7 km).

Also written Άγιος Νικόλαος.