| Acronym | Definition |
|---|
| TNB➣Tenaga Nasional Berhad (electric power utility in Malaysia) |
| TNB➣The Night Before |
| TNB➣The New Blockaders (band) |
| TNB➣Théatre National de Bretagne (French: National Theater of Britain; est. 1990) |
| TNB➣Town North Bank (Dallas, TX) |
| TNB➣Trinitrobenzene |
| TNB➣Teatrul National Bucuresti (Romanian National Theatre in Bucharest) |
| TNB➣Tacoma Narrows Bridge |
| TNB➣Télévision Nationale du Burkina (Burkina Faso) |
| TNB➣The National Bank |
| TNB➣Transactions on Nanobioscience |
| TNB➣Third National Bank |
| TNB➣There's Nothing Better |
| TNB➣Thomas and Betts Corporation (also seen as T&B) |
| TNB➣Tangent-Normal-Binormal |
| TNB➣Tours N' Boys (est. 2008; France) |
| TNB➣Trusted Network Base |
| TNB➣Teilnahmebescheinigung |
| TNB➣Tail Number Bin (aviation maintenance) |
| TNB➣Turret Networks Box |
| TNB➣2-Nitro-5-Mercaptobenzoic Acid |