Stoker Island is a rocky island lying off the north coast of Greenwich Island in the South Shetland Islands, Antarctica. Extending , surface area . The area was visited by early 19th century sealers.
The feature is named after Donald Tait, 'stoker' of the survey motor boat Nimrod of the Royal Navy Hydrographic Survey Unit in the South Shetlands in 1967.
The midpoint is located at which is west-southwest of Emeline Island, northwest of Sierra Island, northwest of Dee Island, northeast of Ongley Island, southeast of Romeo Island and south-southwest of Holmes Rock (British mapping in 1968, Chilean in 1971, Argentine in 1980, and Bulgarian in 2005 and 2009).