| Acronym | Definition |
|---|
| NCBB➣Nebraska Community Blood Bank (Lincoln, NE) |
| NCBB➣Nationale Collectie Bescherming Bevolking (Dutch: National Population Protection Organization; civil defense) |
| NCBB➣National Conference of Brazilian Bishops (est. 1952) |
| NCBB➣National Cord Blood Bank (National Health Service; UK) |
| NCBB➣Northern Colorado Bed and Breakfasts |