THC (disambiguation)
- T.H.C. (band)
- THC
- Taiwan Halal Center
- Temperate herbaceous clade
- Tenet Healthcare
- Tetrahydrochrysene
- Texas Hippie Coalition
- Texas Historical Commission
- The H Collective
- The Human Centipede (First Sequence)
- Thermohaline circulation
- Thorium(IV) carbide
- Thüringer HC
- Tower Hamlets College
- Transport Holding Company
- Tuyamuyun Hydro Complex