All-Ireland Senior B Hurling Championship 1991
| Country |
 Ireland England | ||
|---|---|---|---|
| Champions | Westmeath | ||
| Runners-up | London | ||
| |||
The All-Ireland Senior B Hurling Championship of 1991 was the 18th staging of Ireland's secondary hurling knock-out competition. Westmeath won the championship, beating London 2-12 to 2-6 in the final at Cusack Park, Mullingar.
References
- Donegan, Des, The Complete Handbook of Gaelic Games (DBA Publications Limited, 2005).