TMB
- 3,3',5,5'-Tetramethylbenzidine
- Kendall-Tamiami Executive Airport
- Spirit of Troy
- TMB and TMSB series mines
- Tamilnad Mercantile Bank Limited
- Texas Medical Board
- Thai Military Bank
- The Midnight Beast
- Third Millennium Bible
- Tour du Mont Blanc
- Transports Metropolitans de Barcelona
- Trimethylborane
- Tsing Ma Bridge
- Tumor mutational burden
- Two-Mile Borris