| Tom Dempster | |
| State Senate: | South Dakota |
| District: | 9th |
| Term Start: | 2003 |
| Term End: | 2011 |
| Predecessor: | Dennis Daugaard |
| Successor: | Steve Hickey |
| Birth Date: | 9 February 1949 |
| Party: | Republican Independent |
| Spouse: | Patti |
| Profession: | Financial Advisor |
| Residence: | Sioux Falls, South Dakota |
| Children: | three |
Thomas A. Dempster (born February 9, 1949) is an American politician. He served in the South Dakota Senate from 2003 to 2011.[1] [2]