CTHS
| Acronym | Definition |
|---|---|
| CTHS | Canadian Thoroughbred Horse Society |
| CTHS | Cherrybrook Technology High School (Sydney, Australia) |
| CTHS | Cumberland Township Historical Society (Ontario, Canada) |
| CTHS | Canadian Trakehner Horse Society (est. 1974; New Hamburg, Ontario, Canada) |
| CTHS | Connecticut Technical High School |