2017 Cork Junior Hurling Championship
The 2017 Cork Junior Hurling Championship was the 121st staging of the Cork Junior Hurling Championship since its establishment by the Cork County Board in 1895. The championship draw took place on 28 August 2017. The championship began on 15 September 2017 and ended 7 November 2017.
On 7 November 2017, St. Catherine's won the championship following a 0-13 to 0-12 defeat of Brian Dillons in the final. This was their second championship title in the grade and their first since 1983.
Qualification
The Cork Junior Hurling Championship featured fourteen teams in the final tournament. Over 70 teams contested the seven divisional championships with the seven respective champions and runners-up automatically qualifying for the county series. It was the first time that defeated finalists were allowed to complete in the countywide championship.| Division | Championship | Champions | Runners-up |
| Avondhu | North Cork Junior A Hurling Championship | Dromina | Ballyhooly |
| Carbery | West Cork Junior A Hurling Championship | Clonakilty | Ballinascarthy |
| Carrigdhoun | South East Junior A Hurling Championship | Valley Rovers | Tracton |
| Duhallow | Duhallow Junior A Hurling Championship | Banteer | Kilbrin |
| Imokilly | East Cork Junior A Hurling Championship | St. Catherine's | Russell Rovers |
| Muskerry | Mid Cork Junior A Hurling Championship | Cloughduv | Kilmichael |
| Seandún | City Junior A Hurling Championship | Nemo Rangers | Brian Dillons |