The 2025 Offaly Senior B Hurling Championship was the eighth staging of the Offaly Senior B Hurling Championship since its establishment by the Offaly County Board in 2018. The draw for the group stage placings was made on 13 February 2025. The championship ran from 12 July to 5 October 2025.

Kilcormac–Killoughey entered the championship as the defending champions, however, they were beaten by Lusmagh in the semi-finals.

The final was played on 5 October 2025 at Grant Heating St Brendan's Park in Birr, between Lusmagh and Carrig & Riverstown, in what was their first ever meeting in the final. Lusmagh won the match by 1–19 to 0–19 to claim their first ever championship title.

Team changes To Championship

Promoted from the Offaly Intermediate Hurling Championship Coolderry

From Championship

Relegated to the Offaly Intermediate Hurling Championship Birr

Group stage Group stage table

TeamMatchesScorePtsPldWDLForAgainstDiff Carrig & Riverstown541012885439 Lusmagh532011385288 Kilcormac–Killoughey530210390136 Clara521284101-175 Clodiagh Gaels40046382-190 Coolderry400470118-480

Group stage results

Relegation stage Relegation playoff

Knockout stage Semi-finals

Final

References