| Number: | 78, 77, 71 |
| Position: | Offensive tackle |
| Birth Date: | February 8, 1948 |
| Birth Place: | Torrance, California, U.S. |
| Weight Lb: | 255 |
| Height Ft: | 6 |
| Height In: | 6 |
| College: | USC |
| Draftround: | 1 |
| Draftpick: | 12 |
| Draftyear: | 1971 |
| Pastteams: | |
| Highlights: | |
| Statlabel1: | Games played |
| Statvalue1: | 81 |
| Statlabel2: | Games started |
| Statvalue2: | 53 |
| Pfr: | MontMa20 |
Marvin J. Montgomery (born February 8, 1948) is an American former professional football player who was an offensive tackle in the National Football League (NFL) for the Denver Broncos, New Orleans Saints, and the Atlanta Falcons. He was the first offensive lineman selected in the 1971 NFL draft at 12th in the first round by the Broncos.[1] [2] He played college football at the University of Southern California. He attended Sylmar High School.