| Acronym | Definition |
|---|
| TNC➣The Nature Conservancy |
| TNC➣Terms and Conditions |
| TNC➣Togainu No Chi (anime) |
| TNC➣Transportation Network Companies (ridesharing) |
| TNC➣Terminal Node Controller |
| TNC➣Team and Concepts (Hong Kong) |
| TNC➣Third National Communication (UN) |
| TNC➣Threaded Neil Concelman |
| TNC➣Tarantella Native Client |
| TNC➣Trusted Network Connect |
| TNC➣Total Network Cost |
| TNC➣Trade Negotiations Committee (Free Trade Area of the Americas) |
| TNC➣Troponin C |
| TNC➣The New Criterion (est. 1982; arts magazine) |
| TNC➣Tokai Network Club (Japan) |
| TNC➣Threaded Neill-Concelman (connector named for its inventors) |
| TNC➣The Network Company (various locations) |
| TNC➣Total Nonstructural Carbohydrates (vegetation) |
| TNC➣Total Nucleated Cell |
| TNC➣Trans-National Corporation (MNC) |
| TNC➣Touch and Convert |
| TNC➣Transnational Company |
| TNC➣Tentative Non-Confirmation (employment verification; US DHS) |
| TNC➣Tatter and Company (software; South Korea) |
| TNC➣Troponin C, Cardiac |
| TNC➣The Nordic Company (Denmark) |
| TNC➣The Nation's Capitol |
| TNC➣The Newsletter Company (Dallas, TX) |
| TNC➣Transnational Competence |
| TNC➣Terminal Node Control |
| TNC➣Transit Node Clock (DSC) |
| TNC➣The North Community (band) |
| TNC➣Traditional Net Cost (insurance) |
| TNC➣Transnational Consulting (trade group; France and Germany) |
| TNC➣Trees Not Cars (San Francisco, CA) |
| TNC➣The Nottingham Company |
| TNC➣Total Number of Credits (scholastic record) |
| TNC➣Theater Network Center |
| TNC➣Thermal Neutron Counter |
| TNC➣Trunk Node Control |
| TNC➣Travel Network Coordinator |