| CNI | Carbon Nanotechnologies Inc. | 碳纳米管制造 |
| CNI | Centro Nacional de Inteligencia (Madrid, Spain) | 国家智能中心(西班牙马德里) |
| CNI | Coalition Network Initiative | 联盟网络倡议 |
| CNI | Canadian National Railway Company | 加拿大国家铁路公司 |
| CNI | Common Network Interface | 通用网络接口 |
| CNI | Certificate Not Issued | 证书未颁发 |
| CNI | Confederação Nacional da IndÚstria (Brazil) | Confederação Nacional da IndÚstria (Brazil) |
| CNI | Children's Network International | 儿童国际网络 |
| CNI | Community Nutrition Institute | 社区营养研究所 |
| CNI | Citizens Committee for Nuclear Information | 核信息公民委员会 |
| CNI | Children's Nature Institute (Beverly Hills, CA) | 孩子的天性研究所(贝弗利山,CA) |
| CNI | chronic nerve irritation | 慢性神经刺激 |
| CNI | Certified Novell Instructor | 通过鉴定的网络操作指导者 |
| CNI | Coalition for Networked Information | 网络信息联盟 |
| CNI | Calling Number Identification | 主叫号码标识 |
| CNI | Calcineurin Inhibitor | 钙调素抑制剂 |
| CNI | Community Networks, Inc. | 社区网络公司。 |
| CNI | Changed Number Interception | 更改的号码拦截 |
| CNI | Campaign Neighborhood Investment | 活动邻里投资 |
| CNI | Center for Networked Information | 网络信息中心 |
| CNI | Certified NetWare Instructor | 认证NetWare讲师 |
| CNI | Central Nacional de Inteligencia (Chile) | 智利国家情报中心 |
| CNI | Consolidated Networks Incorporated | 联合网络公司 |
| CNI | Coordination Nationale InfirmiÈre | Coordination Nationale InfirmiÈre |
| CNI | Caregiver Network Inc. (Canada) | Caregiver Network Inc.(加拿大) |
| CNI | Constructional Null Instantiation | 构造空实例化 |
| CNI | Cash Net Income (accounting) | 现金净收入(会计) |
| CNI | Cable Network Incorporated | 有线网络公司 |
| CNI | Community Networking Initiative | 社区网络计划 |
| CNI | Customer Network Implementation | 客户网络实施 |
| CNI | Commander Naval Installations | 海军设施司令 |
| CNI | Critical National Infrastructure | 关键国家基础设施 |
| CNI | Centralized Noise Injection | 集中噪声注入 |
| CNI | Country and Network Identification | 国家和网络标识 |
| CNI | National Ittihadi Congress Party (Morocco) | 全国Ittihadi国大党(摩洛哥) |
| CNI | Communication, Navigation & Identification ( avionics system in advanced military fighters) | 通信、导航、识别(航电系统在先进的军事武装) |
| CNI | Centro Nacional de Inteligencia | 国家智能中心 |