| David McMahon | |
| Birth Date: | 19 October 1951 |
| Originalteam: | Ivanhoe / Preston |
| Height: | 180 cm |
| Weight: | 83 kg |
| Statsend: | 1984 |
| Years1: | 1973–1984 |
| Club1: | Fitzroy |
| Games Goals1: | 218 (236) |
David McMahon (born 19 October 1951) is a former Australian rules footballer who played with Fitzroy in the VFL.
McMahon played on the half forward flank and after being recruited from Preston he made his league debut in 1973. He retired in 1984 with 218 VFL games to his name which puts him at 7th on the all-time list for the Fitzroy Football club.