IINB
| Acronym | Definition |
|---|---|
| IINB | ilioinguinal and iliohypogastric nerve block |
| IINB | Insurance Institute of New Brunswick (Canada) |
| IINB | Instytut Informacji Naukowej i Bibliotekoznawstwa |
| IINB | Instituto Irene Neres Barbosa |
| IINB | Intrapleural Intercostal Nerve Block (thoracic medicine) |