| Joseph Harmon | |
| Office: | Leader of the Opposition of Guyana |
| Termstart: | 2 September 2020 |
| Termend: | April 2022 |
| Party: | PNC |
| Nationality: | Guyanese |
| Predecessor: | Bharrat Jagdeo |
| Successor: | Aubrey Norton |
| Honorific Prefix: | The Honourable |
| Honorific Suffix: | MP MSM[1] |
| Office1: | Member of the National Assembly |
| Termstart1: | January 12, 2012 |
| Constituency1: | National Top-Up |
Joseph F. Harmon is a Guyanese politician who served as Leader of the Opposition from 2020 to 2022.[2] He previously served as Director-General of the Ministry of the Presidency, under the David Granger administration.
Harmon was born in Pouderoyen, a village in the West Demerara region.[3] Harmon is a former Lt. Col in the Guyana Defence Force and attorney at law.[4]
In June 2021, a motion of no confidence was filed against him due to his claims that the APNU and AFC coalition won the 2020 General election.[5] He has not meet with Irfaan Ali, Guyana's president, as Ali refuses to meet until Harmon recognises the legitimacy of his government.[6] Joseph Harmon was one the main supporter of the 2020 election rigging in Guyana. He support fraudulent numbers declared by an compromised GECOM staff.[7] He was a candidate for leadership of the People's National Congress but lost in a landslide to longtime member and political activist, Aubrey Norton.