Olson's Airport (ICAO: 3WI1) is a small, privately owned general aviation airfield located in Union Grove, Racine County, Wisconsin, United States. It serves local private pilots and light aircraft operations in the southeastern Wisconsin region. The airport is a typical rural general aviation facility with limited infrastructure, catering primarily to personal and recreational flying rather than commercial airline service. It does not appear in major commercial aviation databases due to its private and small-scale nature.