Kathryn Christine Cammack is an American politician and political advisor serving as the U.S. representative for Florida's 3rd congressional district. A member of the Republican Party, Cammack previously served as deputy chief of staff to her predecessor, Representative Ted Yoho, who retired in 2020.

Florida's 3rd congressional district is an electoral district of the United States House of Representatives located in Florida. It presently comprises a large section of north central Florida, including the entire counties of Alachua, Baker, Bradford, Columbia, Dixie Gilchrist, Hamilton, Levy, Suwannee, and Union, along with the majority of Lafayette and Marion County. The city of Gainesville is in the district as well as part of Ocala.