SKX is a three-letter acronym that may stand for: Saransk Airport (IATA: SKX), an airport near Saransk, Russia Skyways (airline) (ICAO: SKX), a regional and domestic airline based in Linköping, Sweden Avia Express (ICAO: SKX), a charter airline based in Stockholm, Sweden formerly associated with Skyways Taos Regional Airport (FAA LID: SKX), a public use airport near Taos, New Mexico, United States The NYSE stock symbol for American shoe company Skechers SKX, a three-letter acronym for designating a variant of Intel Skylake CPU microarchitecture that uses a different cache architecture (increased L2 cache size and reduced L3 cache size per core), adds support for some AVX-512 instructions, and uses a 2D-mesh network topology for inter-core communication