| Acronym | Definition |
|---|
| BWI | Baltimore/Washington International Airport (airport code) |
| BWI | British West Indies |
| BWI | Best Western International (hotel chain) |
| BWI | Building and Wood Workers' International |
| BWI | Boating While Intoxicated |
| BWI | Best Web Image (website design company; San Jose, CA) |
| BWI | Bretton Woods Institutions |
| BWI | Boating Writers International |
| BWI | Brendan Wood International (Toronto, ON, Canada) |
| BWI | Bicycling while Intoxicated (law) |
| BWI | Bill West Incorporated (Monroe, CT) |
| BWI | Battalia Winston International (various locations) |
| BWI | Bread for the World Institute |
| BWI | Bit Wear Index (engineering/geology) |
| BWI | Bandwidth Inheritance |
| BWI | Bench Warrant Issued |
| BWI | Boxed with Instructions (online selling) |
| BWI | Bureau of Workforce Investment (Pennsylvania) |
| BWI | Bond-Wire Interconnect |
| BWI | Business Works Inc. (Aiea, Hawaii) |
| BWI | Bound Word Inc. (creative arts; Monterey, CA) |