DCEO
| Acronym | Definition |
|---|---|
| DCEO | Deputy Chief Executive Officer (various organizations) |
| DCEO | Department of Commerce and Economic Opportunity (Illinois) |
| DCEO | Defensive Cyber Effects Operations |
| DCEO | Division Coloniale d'Extrème-Orient (French infantry division) |
| DCEO | District of Columbia Energy Office (Washington, DC) |
| DCEO | Directorate on Corruption and Economic Offences (Lesotho) |
| DCEO | Defense Communications Engineering Office |
| DCEO | Division Communications-Electronics Officer |