BLU
| 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 |