English abbreviations from nb to nbc
- NB (Newborn)
- NB: NAD (No abnormality detected)
- NBA (National Basketball Association)
- NBAB (Night Basketball and Books)
- NBAC (National Bullying Awareness Campaign)
- NBACC (U.S. National Biodefense Analysis and Countermeasures Center ("enn-back"))
- NBAE (National Basketball Association Entertainment)
- NBB (Neighborhood Business Builders)
- NBBS (Norris Baptist Bible Seminary)
- NBC (Nuclear/biological/chemical)