Thamyris Glacier is a 3 km long and 2.8 km wide glacier draining the east slopes of the Trojan Range on Anvers Island in the Palmer Archipelago, Antarctica. Situated east of Iliad Glacier, south of Rhesus Glacier and northwest of Kleptuza Glacier. Flowing northeastwards into Fournier Bay south of Predel Point and north of Madzharovo Point.