BBY
| Acronym | Definition |
|---|---|
| BBY | Best Buy (stock symbol) |
| BBY | BlackBerry (mobile communications) |
| BBY | Burnaby (BC, Canada town) |
| BBY | Back Bay Station (Amtrak station code; Back Bay Boston, MA) |
| BBY | Before Battle of Yavin (Star Wars) |
| BBY | Building Blocks for Youth |
| BBY | BeBeyond (Chinese online community) |
| BBY | Burdett, Buckeridge Young, Ltd. (Australia; est. 1987) |