Dickinson Theodore Roosevelt Regional Airport (IATA: DIK, ICAO: KDIK, FAA LID: DIK), formerly Dickinson Municipal Airport, is six miles south of Dickinson, in Stark County, North Dakota. It is owned by the Dickinson Airport Authority.

The airport serves western North Dakota, eastern Montana and northwest South Dakota, home to Theodore Roosevelt National Park. The airport sees one airline, United Express, flying an Embraer Regional-Jet (ERJ) to Denver; Delta Connection flew to Minneapolis-St. Paul until November 30, 2015. The first airline flights were Frontier DC-3s in 1959.

Federal Aviation Administration records say the airport had 9,164 passenger boardings (enplanements) in calendar year 2008, 8,924 in 2009 and 10,383 in 2010.

The Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2021–2025 categorized it as a non-hub primary commercial service facility.

The airport is named for Theodore Roosevelt, Jr., the 26th President of the United States.