| Acronym | Definition |
|---|
| CTH | Commonwealth |
| CTH | Chemotherapy |
| CTH | Chance to Hit |
| CTH | Confederation of Tourism & Hospitality (UK) |
| CTH | Cardiothoracic |
| CTH | Cycle Test Hours |
| CTH | Chalmers Tekniska Högskola (Chalmers University of Technology, Göteborg, Sweden) |
| CTH | Cyclo Tourisme Herbretais (French cycling club) |
| CTH | Contract to Hire |
| CTH | County Trunk Highway (Wisconsin) |
| CTH | Club Triumph Holland (Dutch automobile club; Netherlands) |
| CTH | Cape Town Highlanders (South Africa) |
| CTH | Centre Technique de l'Habitat (French: Technical Centre for Housing) |
| CTH | Certificate in Travel Health (International Society of Travel Medicine) |
| CTH | Controlled Temperature and Humidity |
| CTH | Confederación de Trabajadores de Honduras (Spanish: Confederation of Honduran Workers) |
| CTH | Cystathionase |
| CTH | Closer to Home |
| CTH | Club Trégorrois Handisport (French sports club) |
| CTH | Ciel, la Terre et l'Homme (French: Heaven, Earth and Man; martial arts association) |
| CTH | Catalytic Transfer Hydrogenation |
| CTH | Customs Tariff Heading |
| CTH | Church-Turing Hypothesis (Artificial Intelligence) |
| CTH | Centrale des Travailleurs Haitiens (French: Confederation of Haitian Workers, Haiti) |
| CTH | Confection Textile Hôtelier (French textile manufacturer) |
| CTH | Chuckles to Him/Herself |
| CTH | Consolidated Transaction History |
| CTH | CSQ to the Three-Halves |