| Acronym | Definition |
|---|
| NBN➣National Broadband Network (Philippines) |
| NBN➣Nagoya Broadcasting Network (Japan) |
| NBN➣National Biodiversity Network (UK nature conservation) |
| NBN➣Nefesh B'Nefesh (Jewish Souls United) |
| NBN➣News Broadcast Network |
| NBN➣Newbern (Amtrak station code; Newbern, TN) |
| NBN➣National Broadcasting Network |
| NBN➣Naughty By Nature (band) |
| NBN➣Nothing but Noodles (restaurants; various locations) |
| NBN➣National Bibliography Number |
| NBN➣Next Big Nashville (music festival; Nashville, TN) |
| NBN➣National Bingo Night (ABC-TV) |
| NBN➣National Biospecimen Network |
| NBN➣Narrow-Band Noise |
| NBN➣National Black Network |
| NBN➣Net-By-Net (route planning approach) |
| NBN➣Nothing But Neopets (web site) |
| NBN➣National Banking Network, Inc. (Virginia Beach, VA) |
| NBN➣Naval Battleforce Network |