2021 Cork Senior A Hurling Championship
The 2021 Cork Senior A Hurling Championship was the second staging of the Cork Senior A Hurling Championship since its establishment by the Cork County Board in [2020 Cork (city)|Cork Senior A Hurling Championship|2020]. The draw for the group stage placings took place on 29 April 2021. The championship began on 11 September 2021 and ended on 21 November 2021.
The [|final] was played on 21 November 2021 at Páirc Uí Chaoimh in Cork, between Kanturk and Fr. O'Neill's, in what was their first meeting in a final. Kanturk won the match by 3–17 to 2–13 to claim their first championship title.
Blarney's Mark Coleman was the championship's top scorer with 1-38.
Team changes
To Championship
Relegated from the Cork Premier Senior Hurling ChampionshipPromoted from the Cork Premier Intermediate Hurling Championship
From Championship
Promoted to the Cork Premier Senior Hurling ChampionshipRelegated to the Cork Premier Intermediate Hurling Championship
Participating teams
The seedings were based on final group stage positions from the 2020 championship.| Team | Location | Colours | Seeding |
| Ballyhea | Ballyhea | Black and white | 1 |
| Fr. O'Neill's | Ballymacoda | Green and red | 2 |
| Kanturk | Kanturk | Green and yellow | 3 |
| Newcestown | Newcestown | Red and yellow | 4 |
| Bride Rovers | Rathcormac | Green, white and yellow | 5 |
| Bandon | Bandon | Yellow and white | 6 |
| Fermoy | Fermoy | Black and yellow | 7 |
| Cloyne | Cloyne | Red and black | 8 |
| Ballymartle | Riverstick | Green and yellow | 9 |
| Mallow | Mallow | Red and yellow | 10 |
| Killeagh | Killeagh | Green and white | 11 |
| Blarney | Blarney | Red and white | 12 |
Championship statistics
Top scorers
;Overall| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Mark Coleman | Blarney | 1-38 | 41 | 4 | 10.25 |
| 2 | Declan Dalton | Fr. O'Neill's | 3-30 | 39 | 3 | 13.00 |
| 3 | Aidan O'Mahony | Bandon | 0-34 | 34 | 4 | 8.50 |
| 3 | Brian O'Sullivan | Kanturk | 0-34 | 34 | 5 | 6.80 |
| 5 | Richard O'Sullivan | Newcestown | 0-33 | 33 | 5 | 6.60 |
| 6 | Eoghan Keniry | Killeagh | 1-28 | 31 | 3 | 10.33 |
| 7 | Darren McCarthy | Ballymartle | 3-20 | 29 | 3 | 9.66 |
| 7 | Brian O'Shea | Cloyne | 2-23 | 29 | 4 | 7.25 |
| 9 | Kevin O'Sullivan | Fr. O'Neill's | 0-27 | 27 | 5 | 5.40 |
| 10 | William Finnegan | Bride Rovers | 0-24 | 24 | 5 | 4.80 |
;In a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | Declan Dalton | Fr. O'Neill's | 1-14 | 17 | Killeagh |
| 2 | Pa O'Callaghan | Ballyhea | 0-15 | 15 | Ballymartle |
| 3 | Eoghan Keniry | Killeagh | 1-11 | 14 | Fr. O'Neill's |
| 3 | Mark Coleman | Blarney | 1-11 | 14 | Bride Rovers |
| 5 | Declan Dalton | Fr. O'Neill's | 2-07 | 13 | Cloyne |
| 5 | Kevin O'Sullivan | Fr. O'Neill's | 0-13 | 13 | Bride Rovers |
| 7 | Darren McCarthy | Ballymartle | 1-09 | 12 | Ballyhea |
| 7 | Gary Sweeney | Mallow | 0-12 | 12 | Ballymartle |
| 9 | Darren McCarthy | Ballymartle | 2-05 | 11 | Mallow |
| 9 | Aidan O'Mahony | Bandon | 0-11 | 11 | Fermoy |
| 9 | Conor Barry | Bride Rovers | 0-11 | 11 | Ballyhea |
| 9 | William Finnegan | Bride Rovers | 0-11 | 11 | Blarney |