Feya Tarn (Bulgarian: езеро Фея, romanized: ezero Feya, IPA: [ˈɛzɛro ˈfɛjɐ]) is the oval-shaped 65 m long in south–north direction and 60 m wide tarn on eastern Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica.

It has a surface area of 0.28 ha and drains northwards into Barclay Bay by way of Eridanus Stream.

[1] The feature is named after the mythical creatures in European folklore, Feya being the Bulgarian for Fay, Fairy.

[1] Feya Tarn is centred at 62°38′27″S 61°00′44.5″W / 62.64083°S 61.012361°W / -62.64083; -61.012361, which is 3.15 km south-southeast of Lair Point, 1.75 m south-southwest of Sparadok Point and 500 m west-southwest of Tsamblak Hill.

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