Fletcher Nunatak is the hill rising to 150 m at the base of the small peninsula ending in Avitohol Point on the north coast of Livingston Island in the South Shetland Islands, Antarctica. It has a partly ice-free area of 0.54 ha extending 100 m in southwest–northeast direction and 60 m in southeast–northwest direction. The nunatak surmounts Hero Bay on the northeast, and is part of the glacial divide between Tundzha Glacier on the southeast and Berkovitsa Glacier on the west. The area was visited by early 19th century sealers.