TNP may refer to:
- Triglav National Park, the only national park of Slovenia, located in the Julian Alps
- 2,4,6-trinitrophenol, picric acid
- The Twentynine Palms Airport, a public use airport in California, United States
- The Théâtre National Populaire, a national theater at Villeurbanne, France
- Take No Prisoners (video game), a 1997 video game by Raven Software
- The New Pornographers a Canadian indie power pop band.
- These New Puritans a British rock band.