| Acronym | Definition |
|---|
| NBA➣National Basketball Association |
| NBA➣National Book Award |
| NBA➣National Bar Association |
| NBA➣National Bank of Azerbaijan |
| NBA➣National Braille Association |
| NBA➣Narmada Bachao Andolan (India) |
| NBA➣National Boxing Association |
| NBA➣National Board of Antiquities (Finland) |
| NBA➣Next-Best-Action (marketing) |
| NBA➣Nashville Bar Association (Nashville, TN) |
| NBA➣N-Butyl Alcohol (chemistry) |
| NBA➣Number Bank Account |
| NBA➣Non Blocking Architecture |
| NBA➣Nissan Brake Assist |
| NBA➣Non Blocking Assignment |
| NBA➣Network Behaviour Analysis |
| NBA➣National Business Association |
| NBA➣Network Behavior Analysis |
| NBA➣No Boys Allowed |
| NBA➣National Band Association |
| NBA➣National Bison Association |
| NBA➣Nippon Bartenders Association (Japan) |
| NBA➣North Bay Aqueduct (California) |
| NBA➣Net Book Agreement |
| NBA➣Next Best Alternative (finance) |
| NBA➣National Benevolent Association |
| NBA➣NanoBusiness Alliance |
| NBA➣National Beekeepers Association (New Zealand) |
| NBA➣Neighborhood Business Association |
| NBA➣National Board of Advisors |
| NBA➣National Business Agent |
| NBA➣Nevada Broadcasters Association |
| NBA➣Newmarket Business Association (Boston, Massachusetts) |
| NBA➣Nevada Brothel Association |
| NBA➣National Beef Ambassador (National Beef Association) |
| NBA➣Nippon Billiards Association (Japan) |
| NBA➣Nikko Bond Analysis (Japan) |
| NBA➣National Benefit Administrators (Charlotte, NC) |
| NBA➣Nevada Bar Association |
| NBA➣National Bandmasters Association |
| NBA➣National Brassfoundry Association (UK) |
| NBA➣National Boating Association |
| NBA➣Nebraska Beekeepers Association |
| NBA➣National Blood Association |
| NBA➣None-Blocking Architecture |
| NBA➣Non-Parametric Boundary Analysis |
| NBA➣Nepal Beekeepers Association |
| NBA➣non-binding announcement |