| NICI | National Interagency Civil-Military Institute | 国家机构间军民研究所 |
| NICI | Nijmegen Institute for Cognition and Information | 奈梅亨认知与信息研究所 |
| NICI | NASA International Collection of Information | NASA国际信息收集 |
| NICI | Negative Ion Chemical Ionization | 负离子化学电离 |
| NICI | National Interior Contractors, Inc. | 国家室内承包商公司。 |
| NICI | Novell International Cryptography Infrastructure | Novell国际密码基础设施 |
| NICI | Novell International Cryptographic Infrastructure | Novell国际加密基础设施 |
| NICI | National Intellectual Capital Index | 国家智力资本指数 |
| NICI | National Information and Communications Infrastructure | 国家信息和通信基础设施 |
| NICI | National Information And Communication Initiative | 国家信息和通信倡议 |
| NICI | National Interagency Counterdrug Institute | 国家机构间禁毒研究所 |