The 1970 Laois Senior Hurling Championship was the 77th staging of the Laois Senior Hurling Championship since its establishment by the Laois County Board in 1888. The championship ran from 19 April to 4 October 1970.
Camross were the defending champions.
The final was played on 4 October 1970 at O'Moore Park in Portlaoise, between Clonad and Clonaslee, in what was their first ever meeting in the final overall. Clonaslee won the match by 2–09 to 2–06 to claim their 13th championship title overall and a first title in eight years.
Results First round
Borris-in-Ossory received a bye in this round.
Second round
Losers' group
Semi-finals
Final
References