2025 Westmeath Senior B Hurling Championship
The 2025 Westmeath B Senior Hurling Championship was the sixth staging of the Senior B Hurling Championship.
A total of six teams contested the Westmeath Senior B Hurling Championship. All six teams enter the round-robin stage, playing each other once, guaranteeing at least five championship games.
All six teams entered the round-robin stage, playing each other once, guaranteeing at least five championship games. The first round draws of games were streamed live via YouTube on April 3, with the full schedule released via Facebook.
Brownstown were promoted back to Senior B after winning the intermediate final, replacing relegated Castletown Geoghegan
2023 winners St Oliver Plunkett's returns after relegation from the 2024 Westmeath Senior Hurling Championship. They replace Fr Daltons, who bounced straight back in last year's final.
Crookedwood, Cullion, Delvin, and Ringtown round out the field.
The final was contested between St Oliver Plunkett's and Delvin in Mullingar. Delvin won the contest 1-25 - 0-23 in a replay to win their first title, and promoted back to Senior after a long absence.
Group stage
Top scorers
;Overall| Rank | Player | Club | Tally | Total | Games | Average |
| 1 | Dean Ennis | Delvin | 3-36 | 45 | 4 | 11.25 |
| 2 | Jack Gillen | Cullion | 3-29 | 38 | 4 | 9.5 |
| 3 | Barry O'Mara | Crookedwood | 2-27 | 33 | 4 | 8.25 |
| 4 | Niall Leonard | Brownstown | 0-29 | 29 | 4 | 7.25 |
| 5 | Matthew Cunningham | St Oliver Plunkett's | 0-21 | 21 | 4 | 5.25 |