| Acronym | Definition |
|---|
| CECO | Chief Ethics & Compliance Officer |
| CECO | Commission d'Enquête sur le Crime Organisé (French: Commission of Inquiry on Organized Crime; Canada; est. 1972) |
| CECO | Council of Engineering Companies of Oregon |
| CECO | Chief Energy Conservation Officer (Ontario, Canada) |
| CECO | Concrete Engineering Company of Omaha (Ceco Concrete Construction LLC) |
| CECO | Cost Estimate Change Order |
| CECO | Center for Economic and Community Outreach |
| CECO | CENTCOM Engineer Contingency Organization |
| CECO | Commission Europe Centrale et Orientale (French: Committee on Central and Eastern Europe; EU) |
| CECO | Chateau Estates Civic Organization (Kenner, LA) |
| CECO | Centre Engine Cut Off (cars) |