NDB
NDB is an abbreviation for:
- Federal intelligence service, Swiss civilian intelligence service, see Swiss intelligence services
- Federal Networks , German network infrastructure project
- New German biography , German national biography
- New German fraternity
- New Development Bank , a BRICS development bank
- Non-directional beacon or circular beacon, see non-directional beacon
- Next Business Day , term from customer service
Ndb is an abbreviation for:
