Minna Bluff (78°31′S 166°25′E / 78.517°S 166.417°E / -78.517; 166.417 (Minna Bluff)) is a narrow, bold peninsula, 25 nautical miles (46 km; 29 mi) long and 3 nautical miles (5.6 km; 3.5 mi) wide, projecting southeast from Mount Discovery into the Ross Ice Shelf, Antarctica.

Originally identified simply as "the Bluff", it was later named by Scott after the wife of Royal Geographical Society former president Sir Clements Markham.

The researches of George Simpson, meteorologist on Scott's Terra Nova Expedition established that Minna Bluff has an effect on polar weather.

A sweeping snow saddle, several miles long and wide, at the junction of Minna Bluff and the east slopes of Mount Discovery.

The height of the cliffs increases from west to east, ranging from 400–600 metres (1,300–2,000 ft) high above the Ross Ice Shelf.

A massive hook-shaped volcanic feature, 9 nautical miles (17 km; 10 mi) long and rising to 1,115 metres (3,658 ft), that forms the southeast termination of the peninsula named Minna Bluff at the south end of Scott Coast.

A large ice-filled embayment between Shults Peninsula and Minna Bluff, along the northwest side of the Ross Ice Shelf.