Southwest Wyoming Regional Airport (IATA: RKS, ICAO: KRKS, FAA LID: RKS) is eight miles east of Rock Springs, in Sweetwater County, Wyoming, United States. It is operated by the Rock Springs-Sweetwater County Joint Powers Airport Board, with a total of five members, two appointed by the City of Rock Springs and three appointed by Sweetwater County. The airport has twice-daily United Express flights to Denver International Airport.

Sweetwater Aviation is the fixed-base operator, providing all general aviation services on the field.

The National Plan of Integrated Airport Systems for 2019-2023 categorized it as a primary commercial service airport (more than 10,000 enplanements per year).