| Acronym | Definition |
|---|
| NIB | New In Box |
| NIB | National Industries for the Blind |
| NIB | Nickel Boron (alloy) |
| NIB | New Iberia (Amtrak station code; New Iberia, LA) |
| NIB | Notice Inviting Bid (various locations) |
| NIB | Network Interface Box |
| NIB | Network Information Base |
| NIB | Network Interface Boards |
| NIB | Node Initialization Block |
| NIB | Network in a Box |
| NIB | Neighbor Information Base |
| NIB | Nordic Investment Bank |
| NIB | National Insurance Board |
| NIB | National Irish Bank |
| NIB | National Institute of Biology (Ljubljana, Slovenia) |
| NIB | News in Brief |
| NIB | Nativity In Black |
| NIB | Noor Islamic Bank (United Arab Emirates) |
| NIB | New Interpreter's Bible (Bible commentary) |
| NIB | Network Interface Board |
| NIB | National Irrigation Board (Philippines) |
| NIB | National Insurance Brokerage (various locations) |
| NIB | Número de Identificação Bancária |
| NIB | National Investigation Body (various nations) |
| NIB | Next Interface Builder (software development application) |
| NIB | Non-Interest-Bearing |
| NIB | Non-Interference Basis |
| NIB | Nationaal Incasso Bureau (Dutch: National Collection Agency; Netherlands) |
| NIB | Network Interface Backup |
| NIB | Nagahama Institute of Bio-Science and Technology (Japan) |
| NIB | No International Bidders (eBay) |
| NIB | Name in Brackets (band) |
| NIB | Newly Initiated Brother (fraternities) |
| NIB | Not-to-Interfere-Basis |
| NIB | Not in Budget |
| NIB | Nuova Italia Bibliografica |
| NIB | NATO Intelligence Board |
| NIB | NIMA Integration Board |
| NIB | Notified Inspection Body |
| NIB | Navigation Information Bulletin |
| NIB | National Intelligent Bureau |
| NIB | Naval Infantry Brigade |
| NIB | Not in Bin |
| NIB | Norwich Independent Battery (Northfield, Vermont) |