2005 Cork Senior Hurling Championship

The 2005 Cork Senior Hurling Championship was the 119th since its establishment in 1887. The first matches of the season were played on 7 May 2005, and the championship ended on 16 October, 2005. Na Piarsaigh went into the 2005 championship as defending champions, having won their third county title the previous year.

The championship culminated with the county final, held at Páirc Uí Chaoimh, Cork. The match was contested by Newtownshandrum and Cloyne. Newtownshandrum won the game by 0-15 to 0-9. It was their third county title ever.