| Tournament details | |
|---|---|
| Country |  Ireland England |
| Teams | 8 |
| Final positions | |
| Champions | Laois |
| Runner-up | London |
| Tournament statistics | |
| Matches played | 8 |
The 1977 All-Ireland Senior B Hurling Championship was the fourth staging of Ireland's secondary hurling knock-out competition. Laois won the championship, beating London 3–21 to 2–9 in the final at Croke Park, Dublin.