| Jack Devlin | |
| Senator for Victoria | |
| Term Start: | 28 September 1946 |
| Term End: | 26 May 1957 |
| Predecessor: | Alexander Fraser |
| Successor: | Charles Sandford |
| Birth Date: | 1900 1, df=yes |
| Birth Place: | Violet Town, Victoria |
| Death Place: | Tamleugh, Victoria |
| Nationality: | Australian |
| Party: | Australian Labor Party |
| Occupation: | Farmer |
John Joseph Devlin (6 January 1900 - 26 May 1957) was an Australian politician. Born at Violet Town, Victoria, he was educated at state schools before becoming a farmer. He served on Violet Town Shire Council from 1927 to 1957, and as President for some of that time. In 1946, he was elected to the Australian Senate as a Labor Senator for Victoria. He died in 1957;[1] Charles Sandford was appointed to replace him.[2]