| Country |
|
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|---|---|---|---|
| Champions | London | ||
| Runners-up | Down | ||
|
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The All-Ireland Senior B Hurling Championship of 1988 was the 15th staging of Ireland's secondary hurling knock-out competition. London won the championship, beating Down 2-6 to 1-7 in the final at the Emerald GAA Grounds, Ruislip.