| C&TG | Car and Truck Group 
| Others |
| CTG | Cait the Great
| Others |
| CTG | Can Talk Guns
| Others |
| CTG | Can Testgerat
| Others |
| CTG | CardioTocoGraph
| Others |
| CTG | cardiotocography
| Others |
| CTG | Caring Through Giving
| Others |
| CTG | Cartagena, Colombia
| Others |
| CTG | Casual Get-Togethers
| Others |
| CTG | Cell Texting Group
| Others |
| CTG | Center for Technology in Government
| Others |
| CTG | Center Theatre Gotham
| Others |
| CTG | Center Theatre Group
| Others |
| CTG | Central de Trabajadores de Guatemala
| Others |
| CTG | Central Texas Gardener
| Others |
| CTG | Centre for Translational Genomics
| Others |
| CTG | Chess the Gathering
| Others |
| CTG | Childhood Traumatic Grief
| Others |
| CTG | China Talent Group
| Others |
| CTG | China Telecom Global
| Others |
| CTG | China Three Gorges
| Others |
| CTG | Chittagong
| Others |
| CTG | Chronic Transplant Glomerulopathy
| Others |
| CTG | Cics Transaction Gateway
| Others |
| CTG | Clear Talent Group
| Others |
| CTG | Clinical and Translational Gastroenterology
| Others |
| CTG | Color TV Game
| Others |
| CTG | Combustion Thermal Generator
| Others |
| CTG | Combustion Turbine Generator
| Others |
| CTG | Command Training Guidance
| Others |
| CTG | Commander Task Group
| Others |
| CTG | Commander, Task Group
| Others |
| CTG | Committed To Good
| Others |
| CTG | Community Theatre of Greensboro
| Others |
| CTG | Community Transformation Grant
| Others |
| CTG | Community Transformation Grants
| Others |
| CTG | Component Tools Guide
| Others |
| CTG | Comprehensive Technical Group
| Others |
| CTG | Computer Task Group
| Others |
| CTG | Connective Tissue Graft
| Others |
| CTG | Connetics Transportation Group
| Others |
| CTG | Constant Time Gap
| Others |
| CTG | Control Techniques Guidelines
| Others |
| CTG | Controlling The Game
| Others |
| CTG | Core Technology Group
| Others |
| CTG | Corporate Transportation Group
| Others |
| CTG | Crestwood Technology Group
| Others |
| CTG | Cycling To Gether
| Others |
| CTG | Cytosine-Thymine-Guanine
| Others |
| CTG | Czech Travel Guide
| Others |
| CTG | Trinucleotide Repeat
| Others |