| All-Ireland Senior B Hurling Championship | |
| Year: | 1987 |
| Country: | |
| Winners: | London |
| Second: | Carlow |
| Prev Season: | 1986 |
| Next Season: | 1988 |
The 1987 All-Ireland Senior B Hurling Championship 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.