| Acronym | Definition |
|---|
| NABS | National Association of Blind Students (National Federation of the Blind) |
| NABS | North American Benthological Society |
| NABS | North American Bluebird Society |
| NABS | National Association of Black Scuba Divers |
| NABS | National Advertising Benevolent Society |
| NABS | North American Baptist Seminary (now Sioux Falls Seminary; South Dakota) |
| NABS | Natural Arch and Bridge Society |
| NABS | Normoactive Bowel Sounds |
| NABS | National Association for Bank Security |
| NABS | NATO Air Base SATCOM |
| NABS | NORAD Airborne Battle Staff |
| NABS | Nomenclature for the Analysis and Comparison of Science Budgets and Programmes |
| NABS | Navy ADP Budgeting System |