| Jack Langford | |
| Birth Date: | 18 February 1944 |
| Birth Place: | Kalyna, Saskatchewan |
| Office: | MLA for Shellbrook-Torch River |
| Term: | 1991–1999 |
| Predecessor: | Lloyd Muller |
| Successor: | riding dissolved |
| Office2: | MLA for Saskatchewan Rivers |
| Term2: | 1995–1999 |
| Predecessor2: | new office |
| Successor2: | Daryl Wiberg |
| Party: | Saskatchewan New Democratic Party |
John Fenton Langford (February 18, 1944 - February 25, 2024)[1] was a Canadian politician who served in the Legislative Assembly of Saskatchewan from 1991 to 1999, as a NDP member for the constituency of Shellbrook-Torch River.[2]