John Ignatius Kane Sr. (born November 12, 1960) is an American politician and trade union leader.

He is a Democratic member of the Pennsylvania State Senate, representing the 9th District since 2021.

Kane trained as a plumber, stating that learning a trade gave his life direction.

He defeated Brett Burman in the Democratic primary for the 9th district on June 2, 2020.

This would mandate that all schools equip drinking water outlets with lead filters.