Catherine M. "Kate" Harper (born April 5, 1956) is an American politician of the Republican Party who formerly represented the 61st Legislative District in the Pennsylvania House of Representatives.

[3] Kate Harper graduated from Gwynedd Mercy Academy High School, La Salle University, and Villanova University School of Law.

She lives in Lower Gwynedd Township and has two children.

Harper was the prime architect of the Growing Greener II initiative (Act 1 of 2005), a voter-approved plan to invest $625 million in farmland preservation, open space and parks, and environmental projects.

[4] She was defeated by Democrat Liz Hanbidge in the 2018 General Election after 18 years in office.