Lawton–Fort Sill Regional Airport (IATA: LAW, ICAO: KLAW, FAA LID: LAW) is two miles south of Lawton, in Comanche County, Oklahoma. It is used for military aviation from nearby Fort Sill and Sheppard Air Force Base and is served by American Eagle. Allegiant Air runs occasional charters.

The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a primary commercial service airport. Federal Aviation Administration records say the airport had 77,533 passenger boardings (enplanements) in calendar year 2008, 71,389 in 2009 and 68,054 in 2010.