2021 Kilkenny Senior Hurling League

The 2021 Kilkenny Senior Hurling League was the 28th staging of the Kilkenny Senior Hurling League since its establishment by the Kilkenny County Board in 1992. The league began on 4 September 2021 and ended on 3 October 2021.

Dicksboro were the defending champions, however, they failed to make it out of the group stage.

On 3 October 2021, Bennettsbridge won the league after beating Clara by 0–19 to 0–16 at UPMC Nowlan Park. It was their first ever league title.