Bowyer Butte (74°59′S 134°45′W / 74.983°S 134.750°W / -74.983; -134.750 (Bowyer Butte)) is a steep-cliffed eminence with a nearly flat summit, 3 nautical miles (5.6 km; 3.5 mi) wide and 1,085 metres (3,560 ft) high, located between the lower ends of the Johnson Glacier and the Venzke Glacier on the coast of Marie Byrd Land, Antarctica.

[2][3] Bowyer Butte was discovered and photographed from the air by the United States Antarctic Service (USAS), 1939–41.

High rock headland forming the northeast end of Bowyer Butte, located at the west side of Venzke Glacier.

It was named by US-ACAN for Lieutenant Ronnie A. Hoyt, CEC, United States Navy Reserve, Officer-inCharge at Byrd Station, 1971.

A narrow, mostly snow-covered spur 4 nautical miles (7.4 km; 4.6 mi) south of Bowyer Butte.