| Bill Denehy | |
| Fullname: | William John Denehy |
| Birth Date: | 29 May 1889 |
| Birth Place: | Brunswick, Victoria |
| Death Place: | Melbourne |
| Originalteam: | Melbourne Grammar |
| Guernsey: | 28 |
| Statsend: | 1912 |
| Years1: | 1911–12 |
| Games Goals1: | 21 (0) |
William John Denehy (29 May 1889 – 24 November 1960)[1] was an Australian rules footballer who played with University in the Victorian Football League (VFL).
Denehy entered Melbourne University in 1907, where he was a resident student at Trinity College studying Medicine.[2] In 1917, he returned to Melbourne University as Stewart Scholar and Demonstrator in Medicine.[3]