| John Warner | |
| State Senate: | North Dakota |
| State: | North Dakota |
| District: | 4th |
| Term Start: | December 1, 2003 |
| Term End: | December 1, 2016 |
| Succeeded: | Jordan Kannianen |
| Party: | North Dakota Democratic-NPL Party |
| Birth Date: | 28 June 1952 |
| Birth Place: | Minot, North Dakota |
| Alma Mater: | North Dakota State University, Minot State University |
| Profession: | Farmer |
| Spouse: | Janice |
| Residence: | Ryder, North Dakota |
John M. Warner is member of the North Dakota Democratic-NPL Party who represented the 4th district in the North Dakota Senate from 2003 to 2016. He was previously a member of the North Dakota House of Representatives from 1997 through 2003.