2018 Offaly Senior B Hurling Championship
| Dates | 1 April - 6 October 2018 | ||
|---|---|---|---|
| Teams | 8 | ||
| Sponsor | Molloy Environmental | ||
| Champions | Ballinamere (1st title) Ken Molloy (captain) Shane Hand (manager) | ||
| Runners-up | Shamrocks Dan Heffernan (captain) | ||
| Relegated | Brosna Gaels | ||
| Tournament statistics | |||
| Matches played | 34 | ||
| Goals scored | 89 (2.62 per match) | ||
| Points scored | 1044 (30.71 per match) | ||
| |||
The 2018 Offaly Senior B Hurling Championship was the first staging of the Offaly Senior B Hurling Championship since its establishment by the Offaly County Board. The championship ran from 1 April to 6 October 2018.
The final was played on 6 October 2018 at Bord na Móna O'Connor Park in Tullamore, between Ballinamere and Shamrocks, in what was their first ever meeting in the final. Ballinamere won the match by 2–16 to 3–10 to claim their first ever championship title.