Auglaize County Neil Armstrong Airport (IATA: AXV, ICAO: KAXV, FAA LID: AXV) is a public use airport located in New Knoxville, Ohio, eight nautical miles (9 mi, 15 km) southwest of the central business district of Wapakoneta, Ohio. It is owned by the Auglaize County Airport Authority. This airport is included in the National Plan of Integrated Airport Systems for 2019–2023, which categorizes it as a general aviation facility.

Nearby Wapakoneta is the birthplace of Neil Armstrong, aviator, astronaut and first person to walk on the Moon. The airport is as such home to a museum dedicated to Armstrong and space flight. The airport also engages in education programs for young locals.

In 2024, the airport was host to nearly 90 aircraft who arrived to view a total solar eclipse.