| 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 |