| Birthname: | Frank Stacy Tavenner |
| Birth Date: | 25 April 1866 |
| Birth Place: | Accomac, Virginia, U.S. |
| Death Place: | Shenandoah, Virginia, U.S. |
| State Senate: | Virginia |
| District: | 10th |
| Term Start: | January 10, 1912 |
| Term End: | January 12, 1916 |
| Preceded: | Robert M. Ward |
| Succeeded: | Harry F. Byrd |
| Term Start2: | January 13, 1904 |
| Term End2: | January 8, 1908 |
| Preceded2: | S. L. Lupton |
| Succeeded2: | Robert M. Ward |
| Party: | Democratic |
| Spouse: | Sarah Zea |
Frank Stacy Tavenner (April 25, 1866 – December 7, 1950) was an American Democratic politician who served as a member of the Virginia Senate, representing the state's 10th district.[1]
His son Frank S. Tavenner Jr. went on to be United States Attorney for the Western District of Virginia during the administration of Franklin D. Roosevelt and was a lawyer for the House Un-American Activities Committee.