KSM

KSM may refer to:
 * Kernel same-page merging, sharing identical computer memory pages among processes
 * Khalid Sheikh Mohammed, terrorist held at Guantanamo Bay
 * Kothagudem School of Mines, later University College of Engineering, Kakatiya University, India
 * Kommando Spezialkräfte Marine, special forces of the German Navy
 * Komunistický svaz mládeže or Communist Youth Union, the youth wing of the Communist Party of Bohemia and Moravia
 * Kerr Sulphurets Mitchell, an active mine exploration project in British Columbia
 * KSM (band), an American all-girl rock band
 * KPH (radio station), by alternative callsign
 * St. Mary's Airport (Alaska), by airport code
 * Kosmos Airlines, by airline code
 * KSM, a series of microphones by Shure