KSM may refer to:
- Kernel same-page merging, sharing identical computer memory pages among processes
- Khalid Sheikh Mohammed, Islamic terrorist held at Guantanamo Bay
- Kothagudem School of Mines, later University College of Engineering, Kakatiya University
- KSM (band), an American all girl rock band
- Kommando Spezialkräfte Marine, special forces of the German Navy
KSM may also be:
- KSM, also known as Kwak Sa Ma effect
- KSM, alternative callsign of public coast radio station KPH
- KSM, IATA and FAA code for St. Mary's Airport (Alaska)
- KSM, ICAO callsign for Kosmos Airlines
- KSM series of microphones made by Shure
KSM was an American all-girl teen rock band from Los Angeles, California that was active from 2006 to 2010. The band consisted of lead singer Shelby Cobra (real last name Spalione), lead guitarist Shae Padilla, rhythm guitarist Katie Cecil, bassist Sophia Melon and drummer Kate Cabebe.
They gained popularity in summer 2009 when they covered the song, " I Want You to Want Me" by Cheap Trick. The song was used to promote the television series 10 Things I Hate About You on the ABC Family network.