Kenneth Oscar Chilstrom (April 20, 1921 – December 3, 2022) was a United States Air Force officer, combat veteran, test pilot, and author. He was the first USAF pilot to fly the XP-86 Sabre, chief of fighter test at Wright Field, commandant of the U.S. Air Force Test Pilot School, and program manager for the XF-108 Rapier. Chilstrom was a pilot in the first jet air race and delivered the first air mail by jet. He flew over eighty combat missions in the Italian Campaign of World War II and tested over twenty foreign models of German and Japanese fighters and bombers to evaluate their strengths and weaknesses.