NIAB
| Acronym | Definition |
|---|---|
| NIAB | Network in a Box |
| NIAB | National Institute of Agricultural Botany |
| NIAB | Nuclear Institute for Agriculture and Biology (Pakistan) |
| NIAB | National Institute of Agricultural Biotechnology (South Korea) |
| NIAB | Nose in a Book |
| NIAB | National Investment Advisory Board (Australia) |
| NIAB | Nugget in a Biscuit |
| NIAB | Nucleo Investigativo Antincendio Boschivo (Italian) |
| NIAB | National Insurers Audit Bureau |