Stanton County Municipal Airport (ICAO: KJHN, FAA LID: JHN, formerly 2K3) is a county-owned, public-use airport in Stanton County, Kansas, United States. It is located two nautical miles (4 km) northeast of the central business district of Johnson, Kansas, which is also known as Johnson City. This airport was included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.