TBM may refer to:

• Technology business management, a methodology for managing IT departments
• Socata TBM, a family of single engine turboprop aircraft
• Tactical ballistic missile
• Tambaram railway station, Chennai, Tamil Nadu, India (Southern Railway station code)
• Theatre ballistic missile
• Grumman TBM Avenger, a torpedo bomber
• Tracheobronchomalacia, a condition affecting the trachea
• Transferable belief model, a mathematical theory on uncertainty
• Tunnel boring machine, used to excavate tunnels with a circular cross section
• Transports Bordeaux Métropole, a French public transport system
• Trailing bit manipulation, a type of bit manipulation instruction set
• Tuberculomucin Weleminsky, a treatment for tuberculosis
• tert-Butylthiol, also known as tert-butyl mercaptan

Music and entertainment:

• The Birthday Massacre, a Canadian synth-rock band
• The Beautiful Music, a Canadian indie record label
• Three Blind Mice, a Japanese record label
• Techno Body Music, genre similar to Electronic body music but inspired by techno and trance