| Acronym | Definition |
|---|
| CCTT | Close Combat Tactical Trainer (US Army) |
| CCTT | Canadian Council of Technicians and Technologists (Ottawa, ON, Canada) |
| CCTT | Critical Care Transport Team (various organizations) |
| CCTT | Covert Channel Tunneling Tool |
| CCTT | Career Connection to Teaching with Technology |
| CCTT | Coordinating Council on Transsiberian Transportation (Russia) |
| CCTT | Children's Color Trails Test (neuropsychology) |
| CCTT | Canadian Council of Technicians & Technologists |
| CCTT | Command and Control Team Trainer (Naval Ship and Submarine Training Systems) |