里德贝格半岛是南极洲的半岛，位于帕尔默地，长30英里，美国地质调查局根据测量和美国海军空中照片被绘入地图，以海军上校命名。

Rydberg Peninsula is a broad ice-covered peninsula, 56 kilometres (30 nmi) long, between Fladerer Bay and Carroll Inlet, Palmer Land. Rydberg Peninsula is located at 73°10′S 79°45′W / 73.167°S 79.750°W / -73.167; -79.750. Rydberg Peninsula was mapped by the United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1961-1966. Rydberg Peninsula was named by the United States Advisory Committee on Antarctic Names (US-ACAN) for Captain Sven Rydberg, commander of USNS Eltanin on Antarctic cruises, February 1962 to June 1963.