| Acronym | Definition |
|---|
| TNL➣Telemar Norte Leste (Brazilian telecommunications company) |
| TNL➣The Next Level (church; gaming clan) |
| TNL➣Transform and Lightning |
| TNL➣Théatre National du Luxembourg (French: National Theater of Luxembourg; est. 1996) |
| TNL➣Transform and Lighting (video games) |
| TNL➣Target Nomination List (US DoD) |
| TNL➣Truth Never Lies |
| TNL➣Technical Newsletter |
| TNL➣Transport Network Layer |
| TNL➣Till Next Level (gaming) |
| TNL➣Technology Newsletter (NIOSH) |
| TNL➣Tuesday Night's Leftovers (band) |
| TNL➣Terminal Net Loss |