Katherine Stinson (February 14, 1891 – July 8, 1977) was an aviation pioneer who in 1912 became the fourth woman in the United States to earn the FAI pilot certificate. She set flying records for aerobatic maneuvers, distance, and endurance. She was the first female pilot employed by the US Postal Service, and the first civilian pilot to fly the mail in Canada. She was also the first pilot to ever fly at night and the first female pilot to fly in Canada, China, and Japan.