| Acronym | Definition |
|---|
| NWBA | National Wheelchair Basketball Association |
| NWBA | Northwest Bison Association |
| NWBA | NorthWest Baseball Association (Georgia) |
| NWBA | Northwest Biofuels Association (Portland, OR) |
| NWBA | Northwest Blacksmith Association |
| NWBA | North West Business Access (United Kingdom) |
| NWBA | Northwest Benefit Auctions |
| NWBA | National Women's Basketball Association (est. 1986) |
| NWBA | Northwest Boardsailing Association |
| NWBA | Northwoods Baptist Association (Minnesota) |
| NWBA | Nevada Women's Bowling Association |
| NWBA | North Wales Bridge Association (United Kingdom) |
| NWBA | Newburgh Women's Bowling Association (New York state) |
| NWBA | North Weald Bridleways Association (United Kingdom) |