Pistiros Lake (Bulgarian: езеро Пистирос, romanized: ezero Pistiros, IPA: [ˈɛzɛro pisˈtiros]) is the slightly bent southwards rectangular lake, 320 m long in west-east direction and 90 m wide on President Beaches, Byers Peninsula on Livingston Island in the South Shetland Islands, Antarctica.

It has a surface area of 2.42 ha, and is separated from the waters of New Plymouth by a 20 to 35 m wide strip of land.

[2] The feature is named after the ancient emporium of Pistiros in Southern Bulgaria.

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

This Livingston Island location article is a stub.