Posadowsky Glacier (German: Posadowskygletscher, (66°50′S89°25′E) is a glacier about 9 nautical miles (17 kilometers; 10 miles) long, flowing north to Posadowsky Bay immediately east of Gaussberg. Posadowsky Bay is an open embayment, located just east of the West Ice Shelf and fronting on the Davis Sea in Kaiser Wilhelm II Land. Kaiser Wilhelm II Land is the part of East Antarctica lying between Cape Penck, at 87°43'E, and Cape Filchner, at 91°54'E and is part of the Australian Antarctic Territory.