| CTH | China Travel Sky Holding Company | 中国民航信息集团公司 |
| CTH | Chuckles to Him/Herself | 笑到自己 |
| CTH | Customs Tariff Heading | 海关关税标题 |
| CTH | Coatesville, Pennsylvania | 宾夕法尼亚州科茨维尔 |
| CTH | Cystathionase | 半胱氨酸硫酸酶 |
| CTH | Catalytic Transfer Hydrogenation | 催化转移加氢 |
| CTH | Cardiothoracic | 心胸 |
| CTH | Chemotherapy | 化疗 |
| CTH | CSQ to the Three-Halves | CSQ到三分之一 |
| CTH | Consolidated Transaction History | 合并交易记录 |
| CTH | ConfederaciÓn de Trabajadores de Honduras (Spanish: Confederation of Honduran Workers) | ConfederaciÓn de Trabajadores de Honduras (Spanish: Confederation of Honduran Workers) |
| CTH | Contract to Hire | 雇佣合同 |
| CTH | Chalmers Tekniska Högskola (Chalmers University of Technology, Göteborg, Sweden) | Chalmers Tekniska Högskola (Chalmers University of Technology, Göteborg, Sweden) |
| CTH | Centrale des Travailleurs Haitiens (French: Confederation of Haitian Workers, Haiti) | 海地劳工中心（法语：海地工人联合会） |
| CTH | Church-Turing Hypothesis (Artificial Intelligence) | 丘奇-图灵假说（人工智能） |
| CTH | ceramide trihexoside | 神经酰胺三己糖苷 |