1998 Offaly Senior Hurling Championship
The 1998 Offaly Senior Hurling Championship was the 99th staging of the Offaly Senior Hurling Championship since its establishment by the Offaly County Board in 1896. The draw for the group stage pairings took place in February 1998. The championship ran from 25 April to 22 November 1998.
Birr entered the championship as the defending champions, however, they were beaten by St Rynagh's in the [|semi-finals].
The [|final], a replay, was played on 22 November 1998 at St Brendan's Park in Birr, between Seir Kieran and St Rynagh's, in what was their third meeting in the final in four years. Seir Kieran won the match by 1–11 to 0–08 to claim their fourth championship title overall and a first championship title in two years.