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