2004 Down Senior Hurling Championship

The 2004 Down Senior Hurling Championship was the 96th staging of the Down [Senior Hurling Championship] since its establishment by the Down County Board in 1903.
Ballygalget entered the championship as the defending champions.
The final was played on 3 October 2004 at McKenna Park, between Ballygalget and Portaferry, in what was their third consecutive meeting in the [|final]. Ballygalget won the match by 1–12 to 1–06 to claim their 15th championship title overall and a second consecutive title.