MTM

MTM is an abbreviation which can stand for:

Mark-to-market, a term from economics
Mario's Time Machine, a educational game for the SNES
MultiTracker Modules, a digital sequencer for DOS
Midwoofer-Tweeter-Midwoofer, a type of loudspeaker configuration, also known as the D'Appolito Configuration
Minutes to Midnight (album), an album from the group Linkin Park released in 2007
MTM Enterprises, a television production house in the 1970s and 1980s, founded by and named for actress Mary Tyler Moore
Minnesota Transportation Museum, a transportation museum in Minnesota
Midtown Madness, a series of racing computer games
Monster Truck Madness, another series of racing computer games
Mobile Trusted Module, a specification for security used in mobile devices
Methods-Time Measurement, a system used in Industrial Engineering to conduct time studies on work methods
Motoscafo da turismo modificato (Italian for "modified tourism motorboat"), a small motor assault boat weighing 2 tons, which was used by Italy in World War II: see Decima Flottiglia MAS#1941
Myotubular myopathy, also called Centronuclear myopathy, which is a rare, congenital muscle disorder
Mary Tyler Moore, an American actress
Made to measure, clothing that is sewn from a standard-sized base pattern
La Maqiunista Terreatre y Maritima SA, Barcelona

MTM is also:

MTM (group), a musical duo who represented Portugal in the Eurovision Song Contest 2001
Ibanez MTM, a series of signature guitars created by Slipknot's Mick Thomson
An Egyptian hip hop band