St. Paul Downtown Airport (IATA: STP, ICAO: KSTP, FAA LID: STP), also known as Holman Field, is an airport just across the Mississippi River from downtown Saint Paul, Minnesota. It is one of several reliever airports in the Twin Cities operated by the Metropolitan Airports Commission. The airport has three runways and serves aircraft operated by corporations in the local area, a flight training school and the Minnesota Army National Guard aviation unit, as well as transient general aviation aircraft.

The airport is home to an installation of the Minnesota Army National Guard. Two properties at the airport are listed on the National Register of Historic Places: the 1939 Holman Field Administration Building and the 1942 Riverside Hangar.