| Acronym | Definition |
|---|
| TNN➣The National Network (formerly The Nashville Network) |
| TNN➣The Nashville Network (now The National Network) |
| TNN➣Tainan, Taiwan (Airport Code) |
| TNN➣Transport Network Node |
| TNN➣The Nerd Network (online gaming clan) |
| TNN➣Transactions on Neural Networks (IEEE) |
| TNN➣Times News Network |
| TNN➣Television News Network (Pakistan) |
| TNN➣Totally No-Noise (Zalman computer case) |
| TNN➣Théatre National de Nice (French: National Theater of Nice) |
| TNN➣Trinitronaphthalene (explosives) |
| TNN➣ThomasNet News |
| TNN➣Termnet News |
| TNN➣The Net Now (Internet Design and Hosting) |
| TNN➣Tribulation News Network (Kissimmee, FL; est. 1997) |
| TNN➣Travel Nurse Network |
| TNN➣Transport News Network Ltd (UK) |
| TNN➣Tactical Network Nodal |
| TNN➣Turner News Network |
| TNN➣TeleNewsNetwork (Germany) |
| TNN➣The Naughton Network (Australia) |
| TNN➣Tanjung Nusa Niwe |