Florence Lowe "Pancho" Barnes (July 22, 1901 – March 30, 1975) was a pioneer aviator and a founder of the first movie stunt pilots' union.
In 1930, she broke Amelia Earhart's air speed record.
Barnes raced in the Women's Air Derby and was a member of the Ninety-Nines.
In later years, she was known as the owner of the Happy Bottom Riding Club, a bar and restaurant in the Mojave Desert, Southern California, catering to the legendary test pilots and aviators who worked nearby.