| All-Ireland Senior B Hurling Championship | |
| Year: | 1986 |
| Country: | |
| Winners: | Kerry |
| Second: | London |
| Prev Season: | 1985 |
| Next Season: | 1987 |
The 1986 All-Ireland Senior B Hurling Championship was the 13th staging of Ireland's secondary hurling knock-out competition. Kerry won the championship, beating London 3–11 to 1–10 in the final at the Emerald GAA Grounds, Ruislip.