Oread Lake (Bulgarian: езеро Ореада, romanized: ezero Oreada, IPA: [ˈɛzɛro ˈorɛˈadɐ]) is the oval-shaped 220 m long in southeast–northwest direction and 130 m wide lake on eastern Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica. It has a surface area of 1.94 ha and drains northwards into Barclay Bay by way of Bedek Stream.

The feature is named after the Oreads, mountain nymphs of Greek mythology.

Oread Lake is situated in the west foothills of Urvich Wall and centred at 62°38′47″S 60°58′27″W / 62.64639°S 60.97417°W / -62.64639; -60.97417, which is 2.77 km northeast of Dometa Point and 3.4 km south of Nedelya Point.3.15 km south-southeast of Lair Point, 1.75 m south-southwest of Sparadok Point and 500 m west-southwest of Tsamblak Hill. Detailed Spanish mapping in 1992, and Bulgarian mapping in 2009 and 2017.

This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.