| Acronym | Definition |
|---|
| TNM | Tokyo National Museum (Tokyo, Japan) |
| TNM | Traffic Noise Model |
| TNM | The New Movement (various locations) |
| TNM | Théatre du Nouveau Monde (French: Theater of the New World; Montreal, Quebec, Canada; est. 1951) |
| TNM | Transport Network Management |
| TNM | Total Network Management |
| TNM | Telecom Network Management (various companies) |
| TNM | Trust No Man (various organizations) |
| TNM | Tetranitromethane |
| TNM | Tumor, Node, Metastases |
| TNM | The Northern Miner (Canadian newspaper) |
| TNM | Telecommunications Network Management |
| TNM | The New Millenium |
| TNM | Train Network Management |
| TNM | Total Number of Class Methods |