| Country |
|
||
|---|---|---|---|
| Champions | London | ||
| Runners-up | Carlow | ||
|
|||
The All-Ireland Senior B Hurling Championship of 1987 was the 14th staging of Ireland's secondary hurling knock-out competition. London won the championship, beating Carlow 0-20 to 1-15 in the final at Dr. Cullen Park, Carlow.