Tipperary came into the season as defending champions of the
1964-65 season.
Laois joined Division 1 as the promoted team. On 18 September 1966,
Kilkenny won the title after a 10-15 to 2-15 aggregate win over
New York in the final. It was their 3rd league title overall and their first since
1961-62. In spite of finishing at the bottom of their respective groups, neither
Galway of
Laois were relegated. Tipperary's
Jimmy Doyle was the Division 1 top scorer with 4-20.
Division 1A table Group stage Division 1B table Group stage Play-off Knock-out stage Semi-finals Home final Finals Scoring statistics ;Top scorers overall ;Top scorers in a single game
Miscellaneous • Kilkenny's defeat of Tipperary in the league decider is their first defeat of Tipperary in a national final since the
1922 All-Ireland final. ==Division 2==