TBM may refer to:
- Technology business management, a methodology for managing IT departments
- Socata TBM, a single engine turboprop aircraft
- Tactical ballistic missile
- Theatre ballistic missile
- Grumman TBM Avenger, the designation given to Grumman TBF Avenger torpedo bombers produced by General Motors.
- The Transferable belief model, a mathematical theory on uncertainty.
- True Believing Mormon, a pejorative label for Mormons who fully support the Mormon hierarchy
- Tunnel boring machine
- ThermoBiMetal (smart materials)
- Trailing Bit Manipulation an instruction set extension for x86.
Music and entertainment:
- The Birthday Massacre, a Canadian synth-rock band
- The Black Mages
- The Beautiful Music, a Canadian indie record label
- The Bumblebee Man
- Three Blind Mice, a Japanese record label
- Techno Body Music, another term for Electronic body music