The 1969–70 season was the 39th completed season of the National Hurling League.
Division 1
Cork came into the season as defending champions of the 1968-69 season.
On 20 September 1970, Cork won the title following a 5-21 to 6-16 aggregate win over New York in the final. It was their second league title in succession and their eighth National League title overall.
Limerick's Richie Bennis was the Division 1 top scorer with 3-36.
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
Division 2
Kildare came into the season as defending champions of the 1968-69 season.
On 10 May 1970, Antrim won the title following a 2-13 to 3-8 win over Kildare in the final. It was their first league title since 1967-68.
Division 2A table
Division 2B table
Division 2C table
Play-off
Knock-out stage
Semi-final
Final
Division 3
Louth came into the season as defending champions of the 1968-69 season.
Louth won the title following a 2-3 to 1-4 win over Sligo in the final. It was their fourth league title in succession.