1991 Tipperary Senior Hurling Championship
The 1991 Tipperary Senior Hurling Championship was the 101st staging of the Tipperary Senior Hurling Championship since its establishment by the Tipperary County Board in 1887. The championship began on 13 October 1991 and ended on 10 November 1991.
Holycross-Ballycahill were the defending champions.
On 10 November 1991, Cashel King Cormacs won the title after a 2-08 to 1-05 defeat of Holycross-Ballycahill in the final at Semple Stadium. It remains their only championship title.
Participating teams
| Championship | Champions | Runners-up |
| Mid Tipperary Senior Hurling Championship | Holycross-Ballycahill | Moycarkey-Borris |
| North Tipperary Senior Hurling Championship | Toomevara | Nenagh Éire Óg |
| South Tipperary Senior Hurling Championship | Killenaule | Carrick Swans |
| West Tipperary Senior Hurling Championship | Cashel King Cormacs | Cappawhite |
Results
Quarter-finals
Semi-finals
Final
Championship statistics
Top scorers
;Top scorers overall| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Tommy Grogan | Cashel King Cormacs | 1-18 | 21 | 3 | 7.00 |
| 2 | Declan Carr | Holycross-Ballycahill | 0-14 | 14 | 4 | 3.50 |
| 3 | Pa O'Neill | Cappawhite | 1-10 | 13 | 2 | 6.50 |
| 4 | Tommy Lanigan | Holycross-Ballycahill | 2-06 | 12 | 4 | 3.00 |
;Top scorers in a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | Tommy Grogan | Cashel King Cormacs | 0-11 | 11 | Carrick Swans |
| 2 | John O'Neill | Cappawhite | 2-02 | 8 | Killenaule |
| 2 | Pa O'Neill | Cappawhite | 0-08 | 8 | Killenaule |
| 3 | Cormac Bonnar | Cashel King Cormacs | 2-01 | 7 | Toomevara |
| 3 | Tommy Grogan | Cashel King Cormacs | 1-04 | 7 | Holycross-Ballycahill |
| 3 | Declan Carr | Holycross-Ballycahill | 2-01 | 7 | Cappawhite |