English abbreviations from ni to nic
- Ni (Nickel)
- Ni/Cd (Nickel Cadmium)
- NIA (Nimba Airport)
- NIAAA (U.S. National Institute on Alcohol Abuse and Alcoholism)
- NIAC (National Iranian American Council)
- NIAG (NATO Industrial Advisory Group)
- NIAH (National Institute of Animal Health)
- NIAI (National Insurance Advocacy Initiative)
- NIAID (National Institute of Allergies and Infectious Disease)
- NIALL (Non Intelligent Applied Language Learner)
- NIAM (Natural language Information Analysis)
- NIAMD (National Institute of Arthritis and Musculoskeletal Diseases)
- NIAR (National Institute for Aviation Research)
- NIAS (Northern Ireland Archery Society)
- NIAW (National Immunization Awareness Week)
- NIB (National Investment Bank)
- NIBK (Nordåsgrenda InneBandyklubb)
- NIBP (Non-invasive blood pressure monitor)
- NIBRS (National Incident-Based Reporting System)
- NIC (Neonatal intensive care)