- Source: 1966 Croke Cup
The 1966 Croke Cup was the 15th staging of the Croke Cup since its establishment by the Gaelic Athletic Association in 1944. The competition ran from 3 April to 1 May 1966.
St Kieran's College were the defending champions, however, they were beaten by Limerick CBS in the semi-finals.
The final was played on 1 May 1966 at St Brendan's Park in Birr, between Limerick CBS and St Mary's College, in what was their first ever meeting in the final. Limerick CBS won the match by 8–09 to 2–02 to claim their second Croke Cup title overall and a first title in two years.
Seán Burke was the top scorer with 7-01.
Qualification
Results
= Semi-final
== Final
=Statistics
= Top scorers
=Overall