| NICI | National Indigenous Culinary Institute 
| Others |
| NICI | National Industrial Communications Inc
| Others |
| NICI | National Information and Communication Infrastructure
| Others |
| NICI | National Information And Communication Initiative
| Others |
| NICI | National Information And Communications Infrastructure
| Others |
| NICI | National Institute for Cannabis Investors
| Others |
| NICI | National Institute For Community Innovations
| Others |
| NICI | National Intellectual Capital Index
| Others |
| NICI | National Interagency Counternarcotics Institute
| Others |
| NICI | National Interassociation Committee on Internships
| Others |
| NICI | Near Infrared Coronagraphic Imager
| Others |
| NICI | Negative Ion Chemical Ionization
| Others |
| NICI | Nijmegen Institute For Cognition And Information
| Others |
| NICI | North Idaho Correctional Institution
| Others |
| NICI | Novell International Cryptographic Infrastructure
| Others |