Katie J. Muth is an American politician serving as a Democratic member of the Pennsylvania State Senate, representing the 44th District.

Her victory was part of the "blue wave" that increased Democratic and female representation in the Pennsylvania General Assembly and Congressional delegation.

[4] During a budget debate in June 2019, Senator Muth took the floor and read a letter from a disabled constituent who relies on the PA General Assistance Program.

Throughout her reading, Republican Majority Leader Jake Corman of Bellefonte loudly raised a point of order which was not recognized by the president (Democratic Lieutenant Governor John Fetterman).

[8] On January 25, 2024, Muth responded to criticism on X alleging she withdrew support due to pressure from cannabis corporations seeking to profit, stating she was collecting feedback from "stakeholders.