Akin Island (Bulgarian: остров Акин, romanized: ostrov Akin, IPA: [ˈɔstrof ɐˈkin]) is a wide, rocky island 280 m long in southeast-northwest direction and 100 m lying off the north coast of Nelson Island in the South Shetland Islands, Antarctica. It is “named after Akin Point on the Bulgarian Black Sea Coast.”

Akin Island is located at 62°13′41.5″S 59°05′50″W / 62.228194°S 59.09722°W / -62.228194; -59.09722, which is 2.35 km west-northwest of Cariz Point, 2.02 km north-northeast of Baklan Point, 2.14 km east-northeast of Withem Island, 1.12 km south of Nancy Rock and 100 m north-northeast of Fregata Island. British mapping in 1968.

• South Shetland Islands. Scale 1:200000 topographic map No. 3373. DOS 610 - W 62 58. Tolworth, UK, 1968.
• Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR). Since 1993, regularly upgraded and updated.

• Akin Island. SCAR Composite Gazetteer of Antarctica.
• Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission. (details in Bulgarian, basic data in English)

• Akin Island. Copernix satellite image

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