| Gregor Weiss | |
| Full Name: | Gregor Richard Weiss |
| Country: | United States |
| Birth Date: | 18 February 1941 |
| Birth Place: | Newark, New Jersey, U.S. |
| Height: | 167 cm |
| Weight: | 64 kg |
| Discipline: | MAG |
| Gym: | Swiss Turners |
| Collegeteam: | Penn State Nittany Lions |
| Show-Medals: | yes |
Gregor Richard Weiss (born February 18, 1941) is an American artistic gymnast. He was a member of the United States men's national artistic gymnastics team and represented the United States at the 1964 Summer Olympics, placing 7th in the team event and 59th in the individual all-around. He was a member of the U.S. team at the 1966 World Artistic Gymnastics Championships. In the NCAA, he competed for Penn State University and was the NCAA all-around champion in 1961. He was inducted into the U.S. Gymnastics Hall of Fame in 1991.
A resident of Ridgefield, New Jersey, Weiss graduated from Dwight Morrow High School in nearby Englewood.[1]
Following his graduation from Penn State, Weiss served in the U.S. Air Force while still competing internationally and coached at the United States Air Force Academy. He is the father of Michael Weiss.