TNBC
| Acronym | Definition |
|---|---|
| TNBC | Triple Negative Breast Cancer (oncology) |
| TNBC | The Nightmare Before Christmas (1993 movie by Tim Burton) |
| TNBC | Tanzania National Business Council |
| TNBC | Teen NBC (National Broadcasting Company, NBC) |
| TNBC | 'Twas the Night Before Christmas (stage play) |
| TNBC | The Northern Boys Club (UK) |
| TNBC | Thursday Night Book Club |