Stego Island (, ) is the mostly ice-covered island 2.07 km long in southwestâÂÂnortheast direction and 820 m wide in the Dannebrog Islands group of Wilhelm Archipelago in the Antarctic Peninsula region. Its surface area is 93.32 ha.
The feature is so named because of its shape supposedly resembling a stegosaur, and in association with other descriptive names of islands in the area.
Stego Island is located at , which is 52 m northwest of Elisabethinsel, 293 m southeast of Tsankov Island, 240 m southwest of Spatnik Island and 3.01 km west of the west extremity of Booth Island. British mapping in 2001.