1981 All-Ireland Senior B Hurling Championship

The 1981 All-Ireland Senior B Hurling Championship was the eighth staging of Ireland's secondary hurling knock-out competition. Antrim won the championship, beating London 3–17 to 3–14 in the final at Fr. Healy Park, Loughguile.

All-Ireland Senior B Hurling Championship
First round

Quarter-final

Semi-finals

Home final

Final