TMA
- 2,3,4-Trimethoxyamphetamine
- 2,3,5-Trimethoxyamphetamine
- 2,3,6-Trimethoxyamphetamine
- 2,4,5-Trimethoxyamphetamine
- 2,4,6-Trimethoxyamphetamine
- 3,4,5-Trimethoxyamphetamine
- Agave tequilana
- Impact attenuator
- Mod Archive
- Soyuz TMA-1
- Soyuz TMA-2
- Soyuz TMA-3
- Soyuz TMA-4
- Soyuz TMA-5
- Soyuz TMA-6
- Soyuz spacecraft
- Soyuz-TMA
- TMA Awards
- TMA Cargo
- TMA Engineering
- TMA-1 mine
- TMA-2 mine
- TMA-3 mine
- TMA-4 mine
- Tanzania Military Academy
- Target Motion Analysis
- Tehsil Municipal Administration
- Tejano Music Awards
- Television Market Area
- Tense–aspect–mood
- Terminal Control Area
- Tetramethylammonium
- The Magician's Apprentice (Doctor Who)
- The Magnus Archives
- The Marketing Arm
- Thermomechanical analysis
- Third man argument
- Thrombotic microangiopathy
- Tissue microarray
- Total Media Agency
- Tower Mounted Amplifier
- Trans Maldivian Airways
- Transcription mediated amplification
- Trimesic acid
- Trimethylaluminium
- Trimethylamine