| Denis Lenaghan | |
| Fullname: | Denis Lenaghan |
| Birth Date: | 18 November 1956 |
| Originalteam: | Sandhurst |
| Height: | 174 cm |
| Weight: | 71 kg |
| Position: | Rover |
| Statsend: | 1984 |
| Years1: | 1981–1982 |
| Games Goals1: | 9 (9) |
| Years2: | 1983–1984 |
| Games Goals2: | 16 (19) |
| Games Goalstotal: | 25 (28) |
Denis Lenaghan (born 18 November 1956) is a former Australian rules footballer who played with Carlton and Geelong in the Victorian Football League (VFL).[1]