| Acronym | Definition |
|---|
| BLU➣Blue |
| BLU➣Bluefish (FAO fish species code) |
| BLU➣Bigger, Longer, Uncut (South Park Movie) |
| BLU➣Boys Like Us |
| BLU➣Banda Lateral Única (Spanish: Single-Side Band) |
| BLU➣Backlight Unit (LCD) |
| BLU➣Better Left Unsaid |
| BLU➣Bomb Live Unit |
| BLU➣Back Light Unit |
| BLU➣Bande Latérale Unique (French: Single-Side Band) |
| BLU➣Basic Link Unit |
| BLU➣Belgische Luchtmacht (Belgian Air Force) |
| BLU➣Basic Logic Unit |
| BLU➣Builders League United (gaming) |
| BLU➣Border Liaison Unit |