The 1986 All-Ireland Under-21 Hurling Championship was the 23rd staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964. Tipperary were the defending champions, however, they were beaten by Limerick in the Munster semi-final. On 14 September 1986, Galway won the championship following a 0–14 to 2–5 defeat of Wexford in the All-Ireland final. This was their fourth All-Ireland title in the under-21 grade and their first in three championship seasons.

Results

Leinster Under-21 Hurling Championship

Quarter-finals Semi-finals Finals

Munster Under-21 Hurling Championship

Quarter-finals Semi-finals Final

All-Ireland Under-21 Hurling Championship

Semi-finals Final

Championship statistics

Miscellaneous