The 2020 Carlow Senior Hurling Championship was the 91st staging of the Carlow Senior Hurling Championship since its establishment by the Carlow County Board in 1927. The championship ran from 24 July to 30 August 2020.
St. Mullin's entered the championship as the defending champions.
The final was played on 30 August 2020 at Netwatch Cullen Park, between Mount Leinster Rangers and Ballinkillen, in what was their first ever meeting in a final in 19 years. Mount Leinster Rangers won the match by 3âÂÂ21 to 0âÂÂ12 to claim their ninth championship title overall and first title in two years.
Ballinkillen's Ciarán Whelan was the championship's top scorer with 0âÂÂ48.
Promoted from the Carlow Intermediate Hurling Championship