Buc

Buc may refer to:
 * Buc, Yvelines, a municipality in the Yvelines department, France
 * Buc, Territoire de Belfort, a municipality in the Territoire de Belfort department, France
 * Búč, a village in south Slovakia
 * buc, the ISO 639-3 code for the Bushi language
 * Buc, a nickname for the Bucciali, a French 1920s automobile

The abbreviation BUC may refer to:
 * Burketown Airport
 * Barcelona Universitari Club, a rugby club based in Barcelona
 * BUC (rugby league team), a Catalonia rugby league team
 * Bulgarian Air Charter, a charter airline based in Sofia, Bulgaria
 * Block upconverter, a device used in the transmission of satellite signals
 * Bergen University College, a higher education institute in Bergen, Norway
 * Bàng-uâ-cê, the Foochow Romanized writing system of Fuzhou Mindong Chinese
 * Beirut University College, old name for the Lebanese American University
 * Badr University in Cairo, a private university in Egypt
 * Business Use Case, a use case in software and systems engineering