| Dates | 6 August - 19 September 2021 | ||
|---|---|---|---|
| Teams | 5 | ||
| Sponsor | JJ Kavanagh & Sons | ||
| Champions |  Mount Leinster Rangers (10th title)Michael Doyle (captain) Conor Phelan (manager) | ||
| Runners-up |  St Mullin'sNiall O'Donnell (manager) | ||
| |||
The 2021 Carlow Senior Hurling Championship was the 92nd staging of the Carlow Senior Hurling Championship since its establishment by the Carlow County Board in 1927. The championship began on 6 August 2021 and ended on 19 September 2021.[1]
Mount Leinster Rangers entered the championship as the defending champions.[2]
The final was played on 19 September 2021 at Netwatch Cullen Park, between Mount Leinster Rangers and St Mullin's, in what was their first ever meeting in a final in two years. Mount Leinster Rangers won the match by 0–24 to 0–16 to claim their 10th championship title overall and a second title in succession.[3]
- ^ "Fixtures for the 2021 Carlow Hurling Championships revealed". Scoreline. 13 July 2021. Retrieved 8 October 2021.
- ^ "Mount Leinster Rangers romp home in Carlow SHC Final". GAA website. 30 August 2020. Retrieved 8 October 2021.
- ^ "Nolan brothers hit top form as Rangers see off St Mullins to retain Carlow crown". Irish Independent. 19 September 2020. Retrieved 8 October 2021.