TNC
- TNC connector
- Tanimuca-Retuarã language
- Team and Concepts
- Teatre Nacional de Catalunya
- Telenovela Channel
- Television Nishinippon Corporation
- Tenascin C
- Terminal node controller
- Terms and conditions
- The Nature Conservancy
- The New Criterion
- Theater for the New City
- Thymic nurse cell
- Toronto Neighbourhood Centres
- Transnational corporation
- Transportation network company
- Trevecca Nazarene University
- Triangular network coding
- Tripartite Naval Commission
- Trusted Network Connect
- Turkmen National Conservatory