Fort Myers Southwest Florida International Airport (IATA: RSW, ICAO: KRSW) is an airport located in South Fort Myers, Florida. The airport's service market is Southwest Florida, particularly greater Fort Myers. The designator RSW was originally assigned for "Regional South-West" however, as the name of the airport has changed, the Lee County Port Authority has re-branded the airport's designator code as "Ready to Serve the World".

In 2008, total passengers numbered 7,603,845. The airport is one of the top 50 busiest in the U.S. and in 2006 was ranked among the top ten airports in the 2006 Global Airport Satisfaction Study conducted by J.D. Power & Associates.