| David F. Thornton | |
| State Senate1: | Virginia |
| District1: | 22nd |
| Term Start1: | January 12, 1972 |
| Term End1: | January 14, 1976 |
| Preceded1: | J. Harry Michael Jr. |
| Succeeded1: | Buzz Emick |
| State Senate2: | Virginia |
| District2: | 18th |
| Term Start2: | June 1970 |
| Term End2: | January 12, 1972 |
| Preceded2: | H. Clyde Pearson |
| Succeeded2: | Howard Anderson |
| Party: | Republican |
| Birth Name: | David Fess Thornton |
| Birth Date: | 14 December 1924 |
| Birth Place: | Sistersville, West Virginia, US |
| Death Place: | Bedford, Massachusetts, US |
| Spouse: | Dimity Lippitt |
| Alma Mater: | Roanoke College (BA) Columbia University (MA) |
| Allegiance: |  United States |
| Branch: | United States Army |
| Serviceyears: | 1943–1946 |
| Unit: | Signal Corps |
| Battles: | World War II |
David Fess Thornton (December 14, 1924 – March 13, 2008) was an American attorney and politician who served as a member of the Virginia Senate and House of Delegates.[1] [2] A Republican, he was defeated for reelection by Buzz Emick in 1975.