| William F. Dunbar | |
| Office: | 1st Minnesota State Auditor |
| Term Start: | 1858 |
| Term End: | 1861 |
| Predecessor: | Position created |
| Successor: | Charles McIlrath |
| Birth Name: | William Franklin Dunbar |
| Birth Date: | 8 November 1820 |
| Birth Place: | Westerly, Rhode Island, U.S. |
| Resting Place: | Evergreen Cemetery, Houston, Minnesota, U.S. |
| Party: | Democratic |
| Profession: | Politician, farmer |
William Franklin Dunbar (November 8, 1820 - April 28, 1890) was an American politician.
Born in Westerly, Rhode Island, he moved to Caledonia, Minnesota in 1854 and was a farmer.[1] He served in the Minnesota Territorial House of Representatives in 1856-1857. From 1858-1861, Dunbar served as the first Minnesota State Auditor.[2]
Dunbar died on April 28, 1890.