Shawn Graham Skelly (born 1966) is a retired United States Navy officer, national security expert, and LGBT rights advocate who had served as Assistant Secretary of Defense for Readiness.

[1] During the administration of President Barack Obama, she served as Director of the Executive Secretariat at the U.S. Department of Transportation, and from 2013 to 2016 as a special assistant to the Undersecretary of Defense for Acquisition, Technology and Logistics.

[4] In November 2020, Skelly was appointed to President-elect Joe Biden's transition team for the Department of Defense.

She served on active duty for 20 years, working on a diverse array of combat and management positions for the Navy, ranging from Southeast and Oceania policy to global counter-terrorism operations, to serving at the Marine Corps's Warfighting Laboratory in Quantico, Virginia.

She flew in S-3B Viking carrier-based anti-submarine and aerial refueling aircraft,[9] trained Naval Flight Officers, and served in a variety of leadership roles at sea.