CTAH
| Acronym | Definition |
|---|---|
| CTAH | Center for the Teaching of American History (Binghamton University; Binghamton, NY) |
| CTAH | Charters Towers Auction House (Australia) |
| CTAH | Constant Temperature Ambient Heat |
| CTAH | Closer than a Heartbeat (song) |
| CTAH | Churches Together Around Hampton (London,UK church alliance) |