GCTC
| Acronym | Definition |
|---|---|
| GCTC | Great Canadian Theatre Company (Ottawa, Ontario, Canada) |
| GCTC | Gold Coast Turf Club (horse racing; est, 1946; Australia) |
| GCTC | Gulf Coast Town Center (Fort Myers, Florida) |
| GCTC | Gagarin Cosmonauts Training Centre (Zvyozdny Gorodok Star City, Moscow OB, Russia) |
| GCTC | Global Commodities Trade Centre |
| GCTC | Greene County Technology Consortium (Pennsylvania) |