The 1966 All-Ireland Minor Hurling Championship was the 36th staging of the All-Ireland Minor Hurling Championship since its establishment by the Gaelic Athletic Association in 1928.
Dublin entered the championship as the defending champions, however, they were beaten in the Leinster semi-final.
On 16 October 1966 Wexford won the championship following a 4-1 to 1-8 defeat of Cork in a replay of the All-Ireland final. This was their second All-Ireland title and their first in three championship seasons.
Preliminary round
First round
Quarter-finals
Semi-finals
Final
Quarter-finals
Semi-finals
Final
Semi-finals
Final
Semi-finals
Finals