Roger Carl Zwieg (26 July 1942 – 9 January 2015) was a NASA flight instructor and test pilot. He was born in Watertown, South Dakota, graduated from South Dakota State College in 1964, and was commissioned to the United States Air Force. He joined NASA in 1970, working for Johnson Space Center in Houston, Texas. While in the Air Force, Zwieg was stationed at Reese Air Force Base in Lubbock, Texas as a flight instructor.