| Abbreviation | Definition |
|---|---|
| CFA | Harvard-Smithsonian Center For Astrophysics |
| CFD | Continuous Flow Diffusion |
| CFD | Converter, Frequency-to-DC (Direct Current) voltage |
| CFES | Continuous Flow Electrophoresis System |
| CFI | Card Format Identifier |
| CFLSE | Critical Fluid Light Scattering Experiment |
| CFM | Customer Furnished Material |
| CFMF | Crip Flow Management Facility |
| CFO | Chief Financial Officer |
| CFP | Conceptual Flight Profile |
| CFRE | Contract Financial Requirements Estimate |
| CFRP | Carbon Fiber Reinforced Plastic |
| CFSTI | Clearinghouse for Scientific and Technical Information (now NTIS) |
| CFT | Common Facilities Test |
| CFY | Company Fiscal Year |
| CG | Center of Gravity |
| CGAU | Cabin Gas Analysis Unit |
| CGC | Command Guidance Computer |
| CGCD | Crossed Grid Charge Detector |
| CGCS | Common Ground Control Station |