International Peace Garden Airport (FAA LID: S28) is a public use airport in Rolette County, North Dakota, United States on the Canada–US border. The airport is owned by the North Dakota Aeronautics Commission and located 11 nautical miles (20 km) north of the central business district of Dunseith, North Dakota. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.

The airport is located just east of the International Peace Garden on the North Dakota/Manitoba border. It is an airport of entry to Canada and the United States for general aviation aircraft with no more than 15 passengers and is served by adjacent US and Canadian customs stations.

The airport is one of six airports that straddle the Canada–US border. The others are Avey Field State Airport, Whetstone International Airport, Coutts/Ross International Airport, Piney Pinecreek Border Airport, and Coronach/Scobey Border Station Airport.