- Source: 1991 Kilkenny Senior Hurling Championship
- 1991 Kilkenny Senior Hurling Championship
- Kilkenny Senior Hurling Championship
- All-Ireland Senior Hurling Championship
- Kilkenny county hurling team
- List of All-Ireland Senior Hurling Championship finals
- 2024 All-Ireland Senior Hurling Championship
- 2023 All-Ireland Senior Hurling Championship
- 2019 All-Ireland Senior Hurling Championship
- 2006 Kilkenny Senior Hurling Championship
- All-Ireland Senior Hurling Championship records and statistics
The 1991 Kilkenny Senior Hurling Championship was the 97th staging of the Kilkenny Senior Hurling Championship since its establishment by the Kilkenny County Board since 1887. The championship began on 20 April 1991 and ended on 13 October 1991.
Glenmore were the defending champions, however, they were beaten by St. Martin's at the semi-final stage.
On 13 October 1991, Ballyhale Shamrocks won the championship after a 3–16 to 1–08 defeat of St. Martin's in the final. It was their ninth championship title overall and their first title in two championship seasons.
Team changes
= To Championship
=Promoted from the Kilkenny Intermediate Hurling Championship
Mooncoin
= From Championship
=Relegated to the Kilkenny Intermediate Hurling Championship
Conahy Shamrocks
Results
= Group A
=Advance to semi-finals
Advance to quarter-finals
Advance to relegation play-off
Group A table
Group A results
= Group B
=Group B table
Group B results