| B/W | Black and White | |
| BW | Business Week | |
| BW | Best Western (hotel chain) | |
|
| BW | Business Information Warehouse (SAP, Oracle) | |
| BW | Black & White | |
| BW | Business Wire | |
| BW | Bandwidth | |
| BW | Bollywood (India) | |
| BW | Baldwin-Wallace College | |
| B/W | be with | |
| BW | Birth Weight | |
| BW | Beast Wars (Transformers comic) | |
| BW | Being Watched (chat) | |
|
| B/W | Between | |
| BW | Beautiful Woman | |
| BW | Baden-Württemberg (German Federal State) | |
| BW | Bundeswehr (German Armed Forces) | |
| BW | British Waterways | |
| BW | Bomb Wing | |
| BW | Biological Warfare | |
| BW | Broadband Wireless (NEC) | |
| BW | Best Wishes | |
| BW | Backward | |
| BW | Betty White (actress) | |
| BW | Boardwalk (Disney Resort) | |
| BW | Brackish Water | |
| BW | Bluewater (London shopping center) | |
| B/W | Both Ways (PBX, trunk lines) | |
| BW | Black Watch (British regiment) | |
| BW | Bellwether | |
| BW | Bodyweight | |
| B/W | Bundled With | |
| BW | Blackwater | |
| BW | Burgerlijk Wetboek (Civil Code, The Netherlands) | |
| BW | Biological Weapon | |
| BW | Barbed Wire (fence) | |
| BW | Bruce Willis (actor) | |
| BW | Blue Wave | |
| BW | Boogie Woogie (dance, musical genre) | |
| BW | Barry White | |
| BW | Buffalo Wings | |
| BW | Bow Wow (American rapper) | |
| BW | Brood War (game) | |
| BW | Black Winter (band) | |
| BW | Bretton Woods (New Hampshire) | |
| BW | Blood Work (hematology) | |
| BW | Ben Wallace (NBA player) | |
| BW | Battle Watch (Pokemon) | |
| B/W | backwash | |
| BW | Blue Wolf (Lineage 2 game armor set) | |
| BW | Boy Wonder (Robin from Batman) | |
| BW | Bitte Wenden (German: Please Turn Over) | |
| BW | Big Window | |
| BW | Butt Weld | |
| BW | Bombardment Wing | |
| BW | Ballast Water (shipping) | |
| BW | Backed With (recording industry) | |
| B/W | Backed With (recording industry) | |
| BW | B-Wing (Star Wars) | |
| BW | Beamwidth | |
| BW | Bolton Wanderers | |
| BW | Bay Watch | |
| BW | Bill Wyman (Rolling Stones member) | |
| B/W | B-Wing (Star Wars) | |
| B/W | Better/Worse | |
| BW | Baroque Works | |
| BW | Brot für die Welt | |
| BW | Bench Warrant (court) | |
| BW | Below Water | |
| BW | Better Worse (financial) | |
| BW | Bacteriological Warfare | |
| BW | BarrysWorld (gaming website) | |
| BW | Black Wizard (Final Fantasy game) | |
| BW | Bee Wax | |
| BW | Blue Wizard (Final Fantasy game) | |
| BW | Beached Whales | |
| BW | Buck Wheat (singer B.W. Stevenson) | |
| BW | Bonded Winery | |
| BW | Bone Wall (Diablo 2) | |
| BW | Borehole Water (drilling industry) | |
| BW | Brazilian Wife | |
| BW | Black Warrant (heavy metal/industrial band) | |
| BW | Babcock and Wilcox Company (Lynchburg, VA) | |
| BW | Bridgewire | |
| BW | Bradbury & Wilkinson (stamp printers, UK) | |
| BW | Braze Welding | |
| BW | West Indies Airways Ltd, (Trinidad and Tobago IATA airline code) | |
| BW | Battlefield Weather (US DoD) | |
| BW | Back of Walk (surveying) | |
| BW | Adaptive Baum-Welch (algorithm) | |
| B/W | Back of Walk | |