Paul Desmond Scully-Power, AM GOSE FRAeS (born May 28, 1944) is an Australian-born American oceanographer, technology expert, business executive and astronaut.

In 1984, while a civilian employee of the United States Naval Undersea Warfare Center, he flew aboard NASA Space Shuttle mission STS-41-G as a Payload Specialist.

He studied applied mathematics at the University of Sydney, where he resided at St John's College, and graduated with a Bachelor of Science with Honours in 1966 and a Diploma of Education in 1967.

In 1976, he was appointed a foreign principal investigator for the Heat Capacity Mapping Mission, which was one of a series of satellites launched by NASA to explore the usefulness of remote sensing measurements.

In June 1984, Scully-Power was chosen by NASA to be a Payload Specialist (known among the crew affectionately as a blanket counter) on the 13th Shuttle mission, which would study Earth Sciences.

Prior to that he spent over twenty years in the United States where he managed and led many high technology and defence industry programs.

Additionally, he held the Distinguished Chair of Environmental Acoustics, was a research associate at the Scripps Institution of Oceanography, chairman of Membership of the Connecticut Academy of Science and Engineering, served on the University & College Accreditation Board, and was president of the Fort Trumbull Federal Credit Union.

Before going to America, he was the inaugural head of the Royal Australian Navy's Oceanographic Group, deploying to sea on 26 cruises and qualifying as a naval ship's diver.

He is U.S. Air Force qualified for full pressure suit flying, and was a flight crew instructor in the Astronaut Office, Johnson Space Center, Houston, Texas.

[12] He is involved in many business and community groups through his roles as patron of the Australian Aviation Museum, the Royal Australian Navy Laboratory Association, and the League of Ancient Mariners; past vice president of the Naval Warfare Officers' Association; a member of the International Trade and Government Committee of the U.S. Chamber of Commerce; and a director of the Australia Youth Trust set up by Princess Diana.