| NABS | Natalie Amalia Ben and Sara 
| Others |
| NABS | National Advertising Benevolent Society
| Others |
| NABS | National Advisory Board on Statistics
| Others |
| NABS | National Association of Black Scuba
| Others |
| NABS | National Association of Black Storytellers
| Others |
| NABS | National Association of Blind Students
| Others |
| NABS | National Association of Bubble Soccer
| Others |
| NABS | National Auslan Booking Service
| Others |
| NABS | National Automotive Brokerage Services
| Others |
| NABS | National Automotive Brokerage Solutions
| Others |
| NABS | NATO Air Base SATCOM
| Others |
| NABS | Natural Arch and Bridge Society
| Others |
| NABS | Never A Better Sandwich
| Others |
| NABS | Noah's Ark Bayou Sanctuary
| Others |
| NABS | Normal Active Bowel Sounds
| Others |
| NABS | Normo-Active Bowel Sounds
| Others |
| NABS | normoactive bowel sounds
| Others |
| NABS | North America Bigfoot Search
| Others |
| NABS | North American Baptist Seminary
| Others |
| NABS | North American Benthological Society
| Others |
| NABS | North American Biological Species
| Others |
| NABS | North American Bluebird Society
| Others |
| NABS | North American Burn Society
| Others |
| NABS | Nottingham Area Bus Society
| Others |