Hamilton Municipal Airport (ICAO: KMNZ, FAA LID: MNZ) is a city-owned public-use airport located two miles (3 km) south of the central business district of Hamilton, a city in Hamilton County, Texas, United States. Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, Hamilton Municipal Airport is assigned MNZ by the FAA but has no designation from the IATA.