Fletcher Peninsula is a broad ice-covered peninsula which extends into the Bellingshausen Sea between the Abbot and Venable ice shelves in Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1961–66, and was named by the Advisory Committee on Antarctic Names for Fred C. Fletcher of Boston, a contributor to the United States Antarctic Service, 1939–41.

 This article incorporates public domain material from "Fletcher Peninsula". Geographic Names Information System. United States Geological Survey.

72°45′S 88°50′W / 72.750°S 88.833°W / -72.750; -88.833