Bowman Peninsula (74°47′S 62°22′W / 74.783°S 62.367°W / -74.783; -62.367) is a peninsula, 46 kilometres (25 nmi) long in a north–south direction and 28 kilometres (15 nmi) wide in its northern and central portions, lying between Nantucket Inlet and Gardner Inlet on the east coast of Palmer Land. The peninsula is ice covered and narrows toward the south, terminating in Cape Adams. It was discovered by the Ronne Antarctic Research Expedition, 1947–48, under Finn Ronne, who named it for Isaiah Bowman.