Robert ("Rob") Muzzio (born 25 June 1964 in Würzburg, West Germany) is a retired male decathlete from the United States, who represented Team USA at the 1992 Summer Olympics. He retired in 1996 after fifteen years of competition. His personal best was 8237 points, achieved at the World Championships in 1993. Muzzio attended George Mason University in Fairfax, VA and won back-to-back NCAA decathlon titles in 1984 & 85. He is currently a track and field coach at Robinson Secondary School in Fairfax, where he attended High School.
| Year | Tournament | Venue | Result | Points |
|---|---|---|---|---|
| Representing the United States | ||||
| 1987 | World Championships | Rome, Italy | 13th | 8017 |
| 1991 | World Championships | Tokyo, Japan | 20th | 7133 |
| 1992 | Olympic Games | Barcelona, Spain | 5th | 8195 |
| 1993 | World Championships | Stuttgart, Germany | 8th | 8237 |