Barbara McConnell Barrett (born December 26, 1950) is an American politician, businesswoman, and lawyer. She was the 25th United States Secretary of the Air Force from October 18, 2019 to January 20, 2021.
From May 23, 2008 through January 16, 2009, she was the United States Ambassador to Finland for the George W. Bush administration.
Barrett was former chair of the Aerospace Corporation and a member on the boards of California Institute of Technology, Jet Propulsion Laboratory, RAND Corporation, Smithsonian Institution, Horatio Alger Association of Distinguished Americans, and Lasker Foundation.
On May 21, 2019, President Donald Trump announced he would nominate Barrett as Secretary of the Air Force. Her nomination was confirmed with an 85-7 U.S. Senate vote on October 18, 2019. She was sworn in on October 18, 2019.