NU
- NU
- (s) Nicaragua (FIPS 10-4 country code)
- Niue (ISO 3166 digram)
- Nunavut (postal symbol)
- NUI – (a) No user interface ("noo-ey")
- NUL
- (i) Null character (ASCII code of control character)
- National Urban League
- NUTS – (a) Nuclear Utilization Target Selection
- NUWC – (i) U.S. Naval Undersea Warfare Center
Read more about this topic: List Of Acronyms And Initialisms: N