| Acronym | Definition |
|---|
| BUC | Bureau of Unemployment Compensation (various locations) |
| BUC | Backup Controller |
| BUC | Backup Computer |
| BUC | Backup Converter |
| BUC | Bergen University College (Norway) |
| BUC | Block Up Converter (satellite component) |
| BUC | Benson University Center (Wake Forest University; North Carolina) |
| BUC | Buchnera |
| BUC | Bibliothèque Universitaire Centrale (French: Central University Library; various universities) |
| BUC | Business Use Case (software engineering) |
| BUC | Business Unit Controller |
| BUC | Besançon Université Club (French: Besançon University Club; Besançon, France) |
| BUC | Chief Builder (Naval Rating) |
| BUC | Boston Urban Ceilidh (social dancing; Boston, MA) |
| BUC | Blessed/Uncursed/Cursed (NetHack) |
| BUC | Brest Université Club (French university sports group) |
| BUC | Bus Unit Controller |
| BUC | Bulk Unitization Charges (shipping) |
| BUC | Bunker Contribution |
| BUC | Brothers Under Christ (Christian fraternity) |
| BUC | Buckhorn California |
| BUC | Backup Concentrator |
| BUC | Back Up Computer |
| BUC | Back Up Converter |
| BUC | Back Up Controller |
| BUC | Blood Urea Concentration (nephrology) |
| BUC | Billing Unit Code |
| BUC | Backup Commanding |
| BUC | Bilan Universitaire de Compétences (French: Academic Skills Assessment) |
| BUC | Business Unit Contribution |