| Acronym | Definition |
|---|
| BBO | Bounty Bay Online (game) |
| BBO | Board of Bar Overseers |
| BBO | Bridge Base Online |
| BBO | Billion Barrels of Oil |
| BBO | Beta-Barium Borate |
| BBO | Best Bid Offer |
| BBO | British Ballet Organization (UK) |
| BBO | Big Bang Observer (NASA) |
| BBO | Buy-Build-Operate |
| BBO | Business Banking Officer |
| BBO | Broncho-Bronchiolitis Obliterans |
| BBO | Behaviour Based Observation (safety) |
| BBO | Bureau Beleidsbeïnvloeding Ontwikkelingssamenwerking |
| BBO | Booster Burnout |
| BBO | Beyond Body Odor (originated on Seinfeld TV show) |
| BBO | Big Brother Online (fan website) |
| BBO | Big Block Oldsmobile (automobile engine) |
| BBO | Bad Body Odor |
| BBO | Ben Browder Online (website) |
| BBO | Big Blind Online (poker table manufacturer; Pittsburg, CA) |
| BBO | Brooke Bond Oxo |
| BBO | 2,5-Bis 4-Biphenylyl Oxazole (chemistry) |
| BBO | Booked by Owner (property management software) |
| BBO | Bureau de Bernard Ollagnier (French: Office of Bernard Ollagnier) |
| BBO | Bigger, Better Offer |