Mercer County Regional Airport (ICAO: KHZE, FAA LID: HZE) is a public use airport in Mercer County, North Dakota, United States. It is located two nautical miles (4 km) east of the central business district of Hazen, North Dakota. The airport is owned by Mercer County and the cities of Hazen, Golden Valley, Pick City, Stanton and Zap. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.