BUIS
| Acronym | Definition |
|---|---|
| BUIS | Back Up Iron Sight |
| BUIS | Buck Island Reef National Monument (US National Park Service) |
| BUIS | Bath University Islamic Society (UK) |
| BUIS | Burning Up in Speed (online community) |
| BUIS | Brunel University Islamic Society (United Kingdom) |
| BUIS | Bond University Institute for Sport (Robina, QLD, Australia) |