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
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