| BUC | Back Up Camera
| Others |
| BUC | Back-Up Computer
| Others |
| BUC | Backup Computer
| Others |
| BUC | Backup Controller
| Others |
| BUC | Backup Converter
| Others |
| BUC | Badr University in Cairo
| Others |
| BUC | Basin Unique Cell
| Others |
| BUC | Behaviors Used Creating
| Others |
| BUC | Bentley United Church
| Others |
| BUC | Bio Upgraded Coal
| Others |
| BUC | Biosolids Utilization Committee
| Others |
| BUC | Blessed Uncursed Cursed
| Others |
| BUC | Block Unwanted Content
| Others |
| BUC | Block Up Converter
| Others |
| BUC | Block Up-Converter
| Others |
| BUC | Bounded and Uniformly Continuous
| Others |
| BUC | Boy, U Crazy
| Others |
| BUC | Buccal
| Others |
| BUC | Buccaneer
| Others |
| BUC | BUCkhorn, California (Ground Satellite Tracking Data Network station)
| Others |
| BUC | Builder Chief Petty Officer
| Others |
| BUC | Building Under Construction
| Others |
| BUC | Building Utility Certificate
| Others |
| BUC | Burketown, Queensland, Australia
| Others |
| BUC | Bus Unit Controller
| Others |
| BUC | Business Use Case
| Others |