| Year: | 1921 |
| Dates: | 8 May 1921 - 4 March 1923 |
| Teams: | 9 |
| Munster: | Limerick |
| Leinster: | Dublin |
| Matches: | 8 |
| Team: | Limerick |
| Titles: | 3rd |
| Captain: | Bob McConkey |
| Team2: | Dublin |
| Captain2: | Bob Mockler |
| Totalgoals: | 57 |
| Totalpoints: | 48 |
| Previous: | 1920 |
| Next: | 1922 |
The All-Ireland Senior Hurling Championship 1921 was the 35th series of the All-Ireland Senior Hurling Championship, Ireland's premier hurling knock-out competition. Limerick won the championship, beating Dublin 8-5 to 3-2 in the final.[1]
All-Ireland Championship
Semi-final: (1 match) This was a lone match which saw the winners of the Munster championship play Galway who received a bye to this stage. One team was eliminated at this stage while the winning team advanced to the final.
Final: (1 match) The winners of the lone semi-final played the winners of the Leinster championship. The winners were declared All-Ireland champions.
See main article: 1921 All-Ireland Senior Hurling Championship Final.