Solon Springs Municipal Airport (ICAO: KOLG, FAA LID: OLG) is a public use airport located three nautical miles (6 km) south of the central business district of Solon Springs, in Douglas County, Wisconsin, United States. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2021–2025, in which it is categorized as a basic general aviation facility. Although many U.S. airports use the same three-letter location identifier for the FAA and IATA, this facility is assigned OLG by the FAA but has no designation from the IATA.