Sawyer County Airport (IATA: HYR, ICAO: KHYR, FAA LID: HYR) is a county-owned public-use airport in Sawyer County, Wisconsin, United States. It is located two nautical miles (4 km) northeast of the central business district of Hayward, Wisconsin. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2025–2029, in which it is categorized as a local general aviation facility. It was formerly known as Hayward Municipal Airport.