Dibble Bluff (78°7′S167°13′E) is a conspicuous rock bluff, 1 nautical mile (2 km) south of Marshall Cirque on the west side of White Island, Ross Archipelago. The bluff rises abruptly from McMurdo Ice Shelf to over 400 metres (1,300 ft). It was named by the Advisory Committee on Antarctic Names (1999) after Raymond R.