Kayla Jane Barron (born September 19, 1987) is an American submarine warfare officer, engineer, and NASA astronaut. Barron was selected in June 2017 as a member of the NASA Astronaut Group 22, and later qualified as an astronaut in 2020. Barron took part in her first spaceflight, SpaceX Crew-3, as part of the crew of Expedition 66/67, which launched to the International Space Station on November 10, 2021. Before joining NASA, Barron was a submarine warfare officer and Flag Aide to the Superintendent at the Naval Academy.