| Acronym | Definition |
|---|
| BCK | Basic Computer Knowledge |
| BCK | Backup (file extension) |
| BCK | Backup |
| BCK | British Columbia Kosher (Canada) |
| BCK | Brotherhood of the Crimson Knights (gaming clan) |
| BCK | Blue Crash Kit (webcomic) |
| BCK | Brand Construction Kit (advertising software) |
| BCK | Back-Country Kitchen |
| BCK | Bernstein, Cushner & Kimmell (law firm) |
| BCK | Buffalo Creek Railroad Company |
| BCK | Born Crazy Krew (band) |
| BCK | Badminton Club Kemperle (French badminton club) |
| BCK | Boulogne Canoë Kayak (French canoeing and kayaking organization; Boulogne, France) |
| BCK | Boutin, Coulombel & Kuipers (web design; France) |
| BCK | British Clan Killers (gaming; UK) |
| BCK | Basket Club de Kunheim (French: Basketball Club Kunheim; Kunheim, France) |
| BCK | Boxe Club Kourou (French: Boxing Club Kourou; Kourou, French Guiana) |