Cosgrove Ice Shelf is a long by wide
ice shelf, occupying the inner (east) part of the embayment between
King Peninsula and
Canisteo Peninsula, Antarctica. It was mapped from air photos taken by U.S. Navy
Operation Highjump, 1946–47, and named by the Advisory Committee on Antarctic Names for Lieutenant Jerome R. Cosgrove, U.S. Navy Reserve, assistant communications officer on the staff of the Commander, U.S. Navy Support Force, Antarctica, during U.S. Navy
Operation Deep Freeze, 1967 and 1968.