| William H. Landes | |
| State Senate: | Virginia |
| District: | 9th |
| Term Start: | January 20, 1915 |
| Term End: | January 12, 1916 |
| Preceded: | Edward Echols |
| Succeeded: | Cornelius T. Jordan |
| Office2: | 32nd Mayor of Staunton, Virginia |
| Term Start2: | 1898 |
| Term End2: | 1908 |
| Preceded2: | Alexander H. Fultz |
| Succeeded2: | Hampton H. Wayt |
| Birth Name: | William Henry Landes |
| Birth Date: | 13 December 1858 |
| Birth Place: | Warm Springs, Virginia, U.S. |
| Death Place: | Staunton, Virginia, U.S. |
| Party: | Democratic |
| Spouse: | Hester Virginia Link |
| Education: | University of Virginia |
William Henry Landes (December 13, 1858 – December 30, 1931) was an American lawyer and politician who served ten years as mayor of Staunton, Virginia and briefly as a member of the Virginia Senate.[1] A Democrat, he won a January 1915 special election to succeed Edward Echols in the Senate but lost reelection later that year to Independent Cornelius T. Jordan.