| 2020 Kilkenny Senior Hurling Championship | |
| Dates: | 29 August 2020 – 27 September 2020 |
| Teams: | 12 |
| Sponsor: | St. Canice's Credit Union |
| Champions: | Ballyhale Shamrocks |
| Count: | 18 |
| Champions Captain: | Richie Reid |
| Champions Manager: | James O'Connor |
| Runners-Up: | Dicksboro |
| Runners-Up Captain: | Conor Doheny |
| Runners-Up Manager: | Mark Dowling |
| Relegated: | Danesfort |
| Matches: | 14 |
| Goals: | 49 |
| Points: | 501 |
| Previous Year: | 2019 |
| Previous Tournament: | 2019 Kilkenny Senior Hurling Championship |
| Next Year: | 2021 |
| Next Tournament: | 2021 Kilkenny Senior Hurling Championship |
The 2020 Kilkenny Senior Hurling Championship was the 126th staging of the Kilkenny Senior Hurling Championship since its establishment by the Kilkenny County Board in 1887. The championship began on 29 August 2020 and ended on 27 September 2020.
Ballyhale Shamrocks were the defending champions.[1] Danesfort were relegated after suffering a 1–15 to 1–13 defeat by Graigue-Ballycallan in a playoff.
On 27 September 2020, Ballyhale Shamrocks won the championship after a 5–19 to 1–10 defeat of Dicksboro in the final at UPMC Nowlan Park.[2] It was their 18th championship title overall and their third title in succession.
Promoted from the Kilkenny Intermediate Hurling Championship
Relegated to the Kilkenny Intermediate Hurling Championship