1991 Dublin Senior Hurling Championship

The 1991 Dublin Senior Hurling Championship was the 104th staging of the Dublin Senior Hurling Championship since its establishment by the Dublin County Board in 1887.
O'Tooles entered the championship as the defending champions.
The [|final], a replay, was played on 27 October 1991 at Parnell Park in Donnycarney, between Cuala and Craobh Chiaráin, in what was their first ever meeting in the final. Cuala won the match by 4–06 to 1–07 to claim their second championship title overall and a first title in two years.