| Dates | 3 April 1966 – 9 October 1966 | ||
|---|---|---|---|
| Teams | 15 | ||
| Champions |  Avondhu (2nd title)Paddy Behan (captain) | ||
| Runners-up |  University College CorkWillie Cronin (captain) | ||
| Tournament statistics | |||
| Matches played | 14 | ||
| Goals scored | 103 (7.36 per match) | ||
| Points scored | 242 (17.29 per match) | ||
| Top scorer(s) | Seánie Barry (1-23) | ||
| |||
The 1966 Cork Senior Hurling Championship was the 78th staging of the Cork Senior Hurling Championship since its establishment by the Cork County Board in 1887. The draw for the first round fixtures took place at the County Convention on 30 January 1966. The championship began on 3 April 1966 and ended on 9 October 1966.
St. Finbarr's were the defending champions, however, they were defeated by University College Cork at the semi-final stage.
On 9 October 1966, Avondhu won the championship following a 2–11 to 4–04 defeat of University College Cork in the final. This was their second championship title overall and their first in 14 championship seasons.[1]
University College Cork's Seánie Barry was the championship's top scorer with 1-23.
- ^ "Senior Hurling Finals 1920-1969". Cork GAA Finals website. Retrieved 3 November 2017.