| Frederick Thorpe | |
| Office: | President pro tempore of the Wisconsin Senate |
| Term Start: | January 1, 1862 |
| Term End: | September 10, 1862 |
| Predecessor: | Alden I. Bennett |
| Successor: | Gerry Whiting Hazelton |
| State1: | Wisconsin |
| State Senate1: | Wisconsin |
| District1: | 4th |
| Term Start1: | January 1, 1862 |
| Term End1: | January 1, 1868 |
| Predecessor1: | Densmore Maxon |
| Successor1: | Adam Schantz |
| Birth Name: | Frederick O. Thorpe |
| Party: | Democratic |
Frederick O. Thorpe was a member of the Wisconsin State Senate. In historical documents he was sometimes referred to as "F. O. Thorpe" and his last name was sometimes spelled "Thorp". Thorpe represented the 4th District during the 1862, 1863, 1864, 1865, 1866, and 1867 sessions. He was a Democrat.[1] He was elected President pro tempore of the Wisconsin Senate for the regular session of 1862.[2]
In 1870, Thorpe was appointed as a Regent of the University of Wisconsin.[3]