Computing
* Azure DevOps Server#Clients, Microsoft Test Manager, a diagnostic software toolScience, technology, medicine and engineering
* Medication therapy management, Medication Therapy Management, pharmaceutical care by pharmacists * Methods-time measurement, a motion time system * Methyltrimethoxysilane, an organosilicon compound * Midwoofer-tweeter-midwoofer, a loudspeaker configuration * Model–test–model, in military combat modelling * Modified Transverse Mercator coordinate system, used in Eastern Canada * Motoren Technik Mayer, Wettstetten, Germany, a car tuner * Mountaintop removal mining * Methylthiomethyl ether * Myotubular myopathy or centronuclear myopathy, a muscle disorder * Thirring model#Massive Thirring model, or MTM, Massive Thirring Model, in quantum field theory * Mark-to-market accounting, or fair value accountingEntertainment
* MTM Enterprises, Mary Tyler Moore's production company ** MTM Records, a MTM Enterprises record label * MTM (band), a Portuguese bandOther
* Media Technology Monitor (MTM), a Canadian survey * Momentum (technical analysis), a financial indicator * ''Monster Truck Madness'', a racing video game * Ibanez MTM, a guitars brand * Made to measure clothing * Mark-to-market accounting in economics * Minnesota Transportation Museum, US * MT explosive motorboat, Italian, WWII * Max the Mutt College of Animation, Art & Design, Canada *Metro Trains Melbourne *The Swedish Agency for Accessible Media, abbreviated as MTM forSee also
* M2M (disambiguation) {{disambiguation