Ola Mildred Rexroat (August 28, 1917 – June 28, 2017) was the only Native American woman to serve in the Women Airforce Service Pilots (WASP). After that she joined the Air Force, where she served for ten years as an air traffic controller. In 2007 she was inducted into the South Dakota Aviation Hall of Fame. She was the last surviving WASP in South Dakota.
Rexroat was an Oglala Sioux from the Pine Ridge Indian Reservation. She earned a bachelor's degree in art from the University of New Mexico in 1939.
Rexroat died in Hot Springs, South Dakota on June 30, 2017 at the age of 99.