| CECA | Civil Engineering Contractors Association (UK) | 土木工程承包商协会（英国） |
| CECA | Canadian Electrical Contractors Association | 加拿大电气承包商协会 |
| CECA | Connecticut Educators Computer Association | 康涅狄格州教育工作者计算机协会 |
| CECA | Canadian Elevator Contractors Association | 加拿大电梯承包商协会 |
| CECA | Ciclo de Exposiciones y Conferencias sobre AcÚstica (Mexico City, Mexico) | Ciclo de Exposiciones y Conferencias sobre AcÚstica (Mexico City, Mexico) |
| CECA | Constructionman Apprentice, Construction Electrician Striker (Naval Rating) | 建筑学徒、建筑电工罢工（海军等级） |
| CECA | Consulting Estimating Claims Arbitration | 咨询估算索赔仲裁 |
| CECA | Consumer Energy Council of America | 美国消费者能源委员会 |
| CECA | Comunidade Europeia do Carvão e do Aço (Portugal) | Comunidade Europeia do Carvão e do Aço (Portugal) |
| CECA | CommunautÉ EuropÉenne du Charbon et de l'Acier (French) | CommunautÉ EuropÉenne du Charbon et de l'Acier (French) |
| CECA | Committee for Education and Cultural Action | 教育和文化行动委员会 |
| CECA | ComunitÀ Europea del Carbone e Dell'Acciaio (EU Italian) | ComunitÀ Europea del Carbone e Dell'Acciaio (EU Italian) |
| CECA | Confederacion Española de Cajas de Ahorros (Spanish Association of Saving Banks) | Confederacion Española de Cajas de Ahorros (Spanish Association of Saving Banks) |
| CECA | Cause-Effect Chain Analysis | 因果链分析 |
| CECA | Chemical Energy Component Analysis | 化学能成分分析 |
| CECA | Comunidad Europea del CarbÓn y Acero | Comunidad Europea del CarbÓn y Acero |