| 1970 Kilkenny Senior Hurling Championship | |
| Dates: | 17 May 1970 - 4 October 1970 |
| Teams: | 14 |
| Champions: | Fenians |
| Count: | 1 |
| Runners-Up: | James Stephens |
| Previous Year: | 1969 |
| Previous Tournament: | 1969 Kilkenny Senior Hurling Championship |
| Next Year: | 1971 |
| Next Tournament: | 1971 Kilkenny Senior Hurling Championship |
The 1970 Kilkenny Senior Hurling Championship was the 76th staging of the Kilkenny Senior Hurling Championship since its establishment by the Kilkenny County Board. The championship began on 17 May 1970 and ended on 4 October 1970.
James Stephens were the defending champions.
On 4 October 1970, Fenians won the championship after a 2–11 to 3–05 defeat of James Stephens in the final.[1] It was their first ever championship.
Promoted from the Kilkenny Junior Hurling Championship
Regraded to the Kilkenny Junior Hurling Championship