Kansas's 3rd congressional district is a congressional district in the U.S. state of Kansas. Located in eastern Kansas, the district encompasses all of Anderson, Franklin, Johnson and Miami counties and parts of Wyandotte County. The district includes the heart of the Kansas side of the Kansas City metropolitan area, including all of Overland Park, Leawood, Lenexa, Shawnee, Gardner and Olathe and parts of Kansas City.