| Abbreviation | Definition |
|---|---|
| CE | Communications-Electronics |
| CE | Comprehensive Evaluation |
| CE | Concept Evaluation |
| CE | Concept Exploration life cycle phase |
| CE | Continuous Evaluation |
| CE | Control Element |
| CE | Core Element |
| CE | Corps of Engineers |
| CE | Cost Estimate |
| CE | Counter-Espionage |
| CE | Criticism Entries |
| C-E | Communications and Electronics |
| C-E | Communications-Electronics |
| CE/D | Concept Exploration and Definition life cycle phase |
| CE/D | Concept Exploration/ Definition |
| CEA | Captured Enemy Ammunition |
| CEA | Cost Effectiveness Analysis |
| CEAC | Cost and Economic Analysis Center |
| CEB | Clothing Exchange and Bath |
| CEB | Combat Engineer Battalion |