The Monastery of St. Varlaam (Greek: Μονή Βαρλαάμ) is an Eastern Orthodox monastery that is part of the Meteora monastery complex in Thessaly, central Greece. It is situated at the top of a rocky precipice that is 373 metres above the valley floor.

The Dragon Cave (Greek: Δρακοσπηλιά, romanized: Drakospiliá) is located to the south, below the monastery. To the east, the ruins of Kelarakia (Κελαράκια) Rock (39.72514°N 21.63241°E / 39.72514; 21.63241 (Kelarakia)) can be seen today.