| Acronym | Definition |
|---|
| LBU | Loopback Unit |
| LBU | Lebuhraya Borneo Utara Sdn. Bhd. (Malaysia) |
| LBU | Louisiana Baptist University |
| LBU | Ligne Budgétaire Unique (French foreign territories policy) |
| LBU | Labuan, Sabah, Malaysia (Airport Code) |
| LBU | Linebacker University |
| LBU | Local Business Unit (Italy) |
| LBU | London Black-Up |
| LBU | Liberty Union Party |
| LBU | Launcher Booster Unit |
| LBU | Legacy Broadband Upgrades (Ciena) |
| LBU | Leaflet Bomb Unit |
