Springdale Municipal Airport (IATA: SPZ, ICAO: KASG, FAA LID: ASG) is a public use airport in Washington County, Arkansas, United States. It is owned by the City of Springdale and located one nautical mile (2 km) southeast of its central business district. This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.

Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, this airport is assigned ASG by the FAA and SPZ by the IATA (which assigned ASG to Ashburton Aerodrome in Ashburton, New Zealand). The airport's ICAO identifier is KASG.