TNEC
| Acronym | Definition |
|---|---|
| TNEC | Temporary National Economic Committee (US congressional committee that studied monopolistic practices during 1938-1939) |
| TNEC | The New England Consortium (est. 1987; work safety) |
| TNEC | Tamil Nadu Environment Council (India) |
| TNEC | Thailand Network of Eco-Efficiency and Cleaner Production (Thailand) |
| TNEC | Taipei National Enterprise Center (est. 1991; Taiwan) |