Edward Jessup (1801 – September 1831) was a farmer and political figure in Upper Canada.
| Edward Jessup III | |
| Birth Date: | 1801 |
| Birth Place: | Augusta Township, Upper Canada |
| Death Date: | September 1831 |
| Death Place: | Prescott, Ontario |
| Office1: | Member of the Legislative Assembly of Upper Canada for Grenville |
| Term Start1: | 1830 |
| Term End1: | 1831 |
| Predecessor1: | George Longley |
| Successor1: | Hiram Norton |
| Occupation: | Farmer, Militiaman, Politician |
| Relatives: | Edward Jessup (grandfather) Edward Jessup, Jr. (father) Hamilton Dibble Jessup (brother) |
| Allegiance: | Upper Canada |
| Serviceyears: | 1822-1831 |
| Rank: | Lieutenant Captain |
| Unit: | Grenville Militia |
He was born in Upper Canada in 1801, the son of Edward Jessup, Jr. and the grandson of Edward Jessup. He served in the local militia, becoming lieutenant in 1822 and captain in 1828. He was elected to the Legislative Assembly of Upper Canada representing Grenville in 1830. He died in Brockville while still in office in 1831.
His younger brother, Hamilton Dibble, represented Grenville in the Legislative Assembly of the Province of Canada.