RKS

RKS may refer to:


 * Designation for transmission facilities in Czech, for example RKS Liblice 1
 * Kosovo, license plate code
 * Rainbow Kitten Surprise, an American alternative rock band
 * RKS, their second studio album released in 2015
 * Remote keyless system
 * Rock Springs - Sweetwater County Airport
 * Rotterdamse Kunststichting (RKS)