English abbreviations from nu to nui
- NU (Nicaragua (FIPS 10-4 country code))
- NUA (No Unlimited Ammo)
- NUAA (Nanjing University of Aeronautics and Astronautics)
- NUAC (Non-Uniform Attenuation Correction)
- NUAF (National Union of American Families)
- NUAI (Northwestern University Allergy Immunology)
- NUAS (Northumbrian Universities Air Squadron)
- NUAT (National University Admission Test)
- NUB (New Useless Bitch (reference for new person on station; contraction from newbie (which was originally new boy), and then backronymed))
- NUC (New Urban Communities)
- NUCES (National University of Computer and Emerging Sciences)
- NUCINT (Nuclear Intelligence)
- NUD (Non Urban Dictate)
- NUDET (Nuclear Detonation)
- NUDETS (Nuclear Detonation Detection and Reporting System)
- NUE (Nuremberg Airport)
- NUF (Network Underground Facility)
- NUFC (Newcastle United Football Club)
- NUFEA (Navy-Unique Fleet Essential Aircraft)
- NUFI (National Urban Fellows, Inc.)
- NUFP (NASPA Undergraduate Fellows Program)
- NUG (Non Utility Generator)
- NUGP (nominal unit ground pressure)
- NUGS (National Union of Ghana Students)
- NUHS (National University of Health Sciences (IL & FL))
- NUI (No user interface ("noo-ey"))