STM

STM, an abbreviation, may refer to:

In technology:

• Scanning tunneling microscope, a non-optical microscope
• Signature tagged mutagenesis, a genetic technique to create random mutants
• STMicroelectronics, an Italian-French manufacturer of electronics and semiconductors
• STM-1, Synchronous Transport Module, the basic rate of transmission of the SDH ITU-T fiber optic network
• Software transactional memory, a method of handling concurrency in multithreaded systems
• Security Task Manager, a Windows task manager alternative
• .stm, a filename extension used by:
  • the Scream Tracker music tracker software
  • by Belkin routers for their web administration panel

In transportation:

• Société de transport de Montréal, the public transport provider in Montréal, Québec, Canada

In other uses:

• Small Tactical Munition, a weapon developed by Raytheon
• Short-term memory, the capacity for holding a small amount of information for a short period of time.
• STM200, a pseudonym for Takeshi Matsumoto, musician featured in the music video game Dance Dance Revolution 5thMix
• Stabilisation Tracking Mechanism, the mirror instrument of the Stabilisation and Association Process (SAP) for Kosovo
• Science, Technology and Medicine as a collective name for these academic disciplines (as opposed to HSS, Humanities and Social Sciences)
• International Association of Scientific, Technical, and Medical Publishers, an association of publishers
• South Temple Massiv, a two man DJ group from Northern Ireland