凯泽冰原岛峰是南极洲的冰原岛峰，位于玛丽伯德地，属于海恩斯山脉的一部分，海拔高度605米，美国地质调查局根据测量和该国海军的空中照片绘入地图，现时由南极条约体系管理。

Keyser Nunatak (77°36′S 145°55′W / 77.600°S 145.917°W / -77.600; -145.917) is a large nunatak, 605 metres (1,985 ft) high, at the north side of the terminus of Reynolds Glacier, in the Haines Mountains of Marie Byrd Land, Antarctica. It was mapped by the United States Antarctic Service (1939–41) and by the United States Geological Survey from surveys and U.S. Navy air photos (1959–65). It was named by the Advisory Committee on Antarctic Names for Lieutenant Teddy H. Keyser, U.S. Navy, a navigator in LC-130F Hercules aircraft during Operation Deep Freeze 1968.