TNBB
| Acronym | Definition |
|---|---|
| TNBB | Taman Nasional Bali Barat (Indonesian: West Bali National Park) |
| TNBB | Tokyo Nanshiki Baseball Association (Tokyo, Japan) |
| TNBB | Tamil Nadu Biotechnology Board (India) |
| TNBB | Transnational Broadband Backbone for European Telecommunications |