NCBB
| 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 |