| W. C. Belknap | |
| State Senate: | Washington |
| District: | 5th |
| Term Start: | January 9, 1893 |
| Term End: | January 11, 1897 |
| Predecessor: | Alexander Watt |
| Successor: | W. E. Runner |
| Birth Name: | Webster Clark Belknap |
| Birth Date: | 29 November 1850 |
| Birth Place: | Benton County, Oregon, U.S. |
| Death Place: | Portland, Oregon, U.S. |
| Party: | Republican |
Webster Clark Belknap (November 29, 1850 - December 23, 1937) was an American politician in the state of Washington. He served in the Washington State Senate from 1893 to 1897.[1]