Recely Bluff is a snow and rock bluff on the northeast slope of Mount Siple on Siple Island. The bluff is 7 nautical miles (13 km) northeast of the summit of the mountain. It is mapped by United States Geological Survey (USGS) from surveys and U.S. Navy aerial photography, 1959-65. It was named by Advisory Committee on Antarctic Names (US-ACAN) for Frank J. Recely, Jr., United States Antarctic Research Program (USARP) ionospheric physicist at Byrd Station in 1965.