2025 Dublin Senior Hurling Championship

The 2025 Dublin Senior 1 Hurling Championship was the 138th staging of the Dublin Senior 1 Hurling Championship since its establishment by the Dublin County Board in 1887. The draw for the group stage pairings took place in April 2025. The championship ran from 18 July to 25 October 2025.
Na Fianna entered the championship as the defending champions.
The [|final] was played on 25 October 2025 at Parnell Park in Donnycarney, between Na Fianna and Lucan Sarsfields in what was their first ever meeting in the final. Na Fianna won the match by 1–20 to 0–22 to claim their third consecutive championship title.

Format change

In February 2025, the Dublin CCC announced a change in format for that year's championship. The number of participating teams increased from 10 to 12, with the participants drawn into two groups of six teams. The top four placed teams in each group qualified for the [|quarter-finals]. The relegation playoffs saw the team finishing 5th in each group playing against the team finishing 6th in the opposite group and the two losing teams were relegated.

Team changes

To Championship

Promoted from the Dublin Senior 2 Hurling Championship