The 2021 Wexford Senior Hurling Championship was the 111th staging of the Wexford Senior Hurling Championship since its establishment by the Wexford County Board in 1889. The championship began on 6 August 2021 and ended on 19 September 2021.
Shelmaliers entered the championship as the defending champions; however, they were beaten by St Anne's Rathangan at the semi-final stage. Crossabeg–Ballymurn joined the championship after gaining promotion from the intermediate grade. Oulart–The Ballagh and Fethard St Mogue's were relegated from the championship.
The final was played on 19 September 2021 at Chadwick's Wexford Park, between Rapparees and St Anne's Rathangan, in what was their first ever meeting in a final. Rapparees won the match by 6–18 to 1–18 to claim their second championship title overall and a first title since 1978.
St Anne's Rathangan player Diarmuid O'Keeffe was the championship's top scorer with 2-53.
Results
Group A
Group A table
Group A results
Group B
Group B table
Group B fixtures
Group C
Group C table
Group C fixtures
Group D
Group D table
Group D fixtures
Knockout stage
Preliminary quarter-finals
Relegation playoffs
Quarter-finals
Semi-finals
Final
Championship statistics
Top scorers
Overall
In a single game
Miscellaneous
Thirteen time winners Oulart–The Ballagh are relegated after 36-years at senior level.