| Acronym | Definition |
|---|
| CTF | Capture The Flag |
| CTF | Child Trust Fund (UK) |
| CTF | Canadian Tax Foundation |
| CTF | Canadian Television Fund |
| CTF | Canadian Taxpayers Federation (lobby group) |
| CTF | Canadian Teachers' Federation |
| CTF | Counter-Terrorism Financing |
| CTF | Combined Task Force |
| CTF | Commander, Task Force |
| CTF | Children's Trust Fund |
| CTF | Clean Truck Fee (port security) |
| CTF | Computer to Film (printing process) |
| CTF | Children's Tumor Foundation |
| CTF | Contrast-Transfer-Function |
| CTF | Coalition Task Force |
| CTF | Combined Test Force |
| CTF | Conservation Trust Fund (Colorado) |
| CTF | Carrier Task Force |
| CTF | Claim to Fame |
| CTF | Common Trust Fund |
| CTF | Community Task Force |
| CTF | Community Trust Fund |
| CTF | Colorado Trail Foundation |
| CTF | Critical to Function (technical drawings) |
| CTF | Citizens Task Force |
| CTF | Capture, Transform and Flow (DataMirror) |
| CTF | Capture the Frag (gaming clan) |
| CTF | Community Treatment Facility (residential mental health facilities) |
| CTF | Conservation Trust for Florida |
| CTF | Common Technical Framework |
| CTF | Chemical Transfer Facility |
| CTF | Christian Teen Forums |
| CTF | Collective Training Facility |
| CTF | Combating Terrorism Financing |
| CTF | Contrast Threshold Function (brain imaging) |
| CTF | Captured Test Fleet (vehicle evaluation) |
| CTF | Correctional Treatment File |
| CTF | Computed Tomographic Fluoroscopy |
| CTF | Cerrahpasa Tip Fakültesi (Istanbul, Turkey) |
| CTF | Consolidated Training Facility |
| CTF | Classroom Trust Fund |
| CTF | Critical Transfer Frames |
| CTF | Change to Tower Frequency |
| CTF | California Tomato Farmers |
| CTF | Code Table File |
| CTF | Complete Test Frame |
| CTF | Chin-Mu-Kwan Tae Kwon do Federation (martial arts) |
| CTF | Currency Transaction File |
| CTF | Correlated Transient Fault |
| CTF | Canonical Transport Format |
| CTF | Control Test Flights |
| CTF | Celtic Tattoo Flash |
| CTF | Cow-Tipping Fun |
| CTF | Contractor's Test Facility |
| CTF | Contact Track File |
| CTF | City Trainer Forum |
| CTF | Chew-The-Fat.com (website) |
| CTF | California Treatment Facility (Soledad, CA) |
| CTF | Capture the Faculty (game) |
| CTF | Contolled Traffic Farming (soil farming association; various locations) |
| CTF | Computer-control Transmission Function (automotive) |
| CTF | Computerized Transmission Function (automotive) |