| CCIE | Cisco Certified Internetwork Expert | 美国Cisco公司的专家级认证考试 |
| CCIE | Current and Charge Integral Equation | 电流和电荷积分方程 |
| CCIE | Cisco Certified Internetworking Engineer | 思科认证网络工程师 |
| CCIE | Camere Di Commercio Italiane all'Estero (Chamber of Italian Foreign Trade) | Camere迪Commercio Italiane所有'Estero(密室对外贸易的意大利人) |
| CCIE | Central Cottage Industries Emporium | 中央农舍工业商场 |
| CCIE | Combat Clothing and Individual Equipment | 战斗服和单兵装备 |
| CCIE | Child Care Information Exchange | 儿童保育信息交流 |
| CCIE | California Colleges for International Education | 加州国际教育学院 |