CTH
- CTH (company)
- Calum Thomas Hood
- Chadwell Heath railway station
- Chalmers University of Technology
- Chapo Trap House
- City Hall MRT station
- Classical Theatre of Harlem
- Commonwealth
- Commonwealth of Australia
- Confederation of Tourism and Hospitality
- Cystathionine gamma-lyase
- Hittite inscriptions
- Honduras Workers' Confederation
- ICAO airline designator
- Parliament of Australia
- Politics of Australia
- Shaped charge