KSW

KSW may refer to:


 * Kansas Southwestern Railway, a defunct United States railroad company
 * Kearny Street Workshop, a multidisciplinary arts organization in San Francisco, California
 * Keeping Scientology Working, an internal document for Scientologists, written by L. Ron Hubbard
 * The King's School, Worcester
 * The Kootenay School of Writing, a writers' collective based in Vancouver, Canada
 * Konfrontacja Sztuk Walki, a Polish Mixed Martial Arts promotion
 * Kiryat Shmona Airport, an airport near Kiryat Shmona, Israel (IATA code: KSW)
 * S'gaw Karen language, ISO 639 code ksw