| Abbreviation | Definition |
|---|---|
| CETA | Colorado Electric Transmission Authority |
| CETC | Computer and Electronic Technology Company |
| CETE | China Electronic Technology (Group) Corporation |
| CEW | Conductive Electrical Weapon |
| CEWI | Communications Electronic Warfare Intelligence |
| CEWID | Cyber Electronic Warfare Integration Division |
| CF | Carrier Frequency |
| CF | Center Frequency |
| CF | Characteristic Frequency |
| CF | Conductivity Factor |
| CFA | Component Failure Analysis |
| CFBW | Constant Fractional Bandwidth (electrical engineering) |
| CFCC | Continuous Fiber Ceramic Composite |
| CFCCP | Continuous Fiber Ceramic Composite Program |
| CFCT | Critical Fault Clearance Time |
| CFD | Computational Fluid Dynamics |
| CFI | CAD (Computer-Aided Design) Framework Initiative |
| CFI | Common Flash-memory Interface |
| CFL | Compact Fluorescent Lamp |
| CFLs | Compact Fluorescent Light Bulbs |