| Acronym | Definition |
|---|
| GCB➣Good Christian Belles (TV show) |
| GCB➣German Convention Bureau (tourism) |
| GCB➣Global Corruption Barometer |
| GCB➣Global Configuration Block |
| GCB➣General Conditions of Business |
| GCB➣Ghana Cocoa Board |
| GCB➣German Conference on Bioinformatics |
| GCB➣Génie Civil et Bâtiment (French: Civil Engineering and Building; Algeria) |
| GCB➣Grand Canyon National Park (Amtrak station code; Arizona) |
| GCB➣Guides Catholiques de Belgique (French: Catholic Guides of Belgium; Belgium) |
| GCB➣Gaming Control Board |
| GCB➣Gloucestershire Cricket Board (UK) |
| GCB➣Guyana Cricket Board |
| GCB➣Gas Circuit Breaker |
| GCB➣Greatest Conceivable Being |
| GCB➣Generator Circuit Breaker |
| GCB➣Graham Colton Band |
| GCB➣General Council of the Bar of South Africa |
| GCB➣Greater Cincinnati Behavioral Health Services (also seen as GCBHS; Ohio) |
| GCB➣Grand Cross of the Bath |
| GCB➣Groupement des Cartes Bancaires (French credit card data processor) |
| GCB➣Gwinnett Clean Beautiful (Georgia) |
| GCB➣Ground Clay Brick |
| GCB➣Grupo Capoeira Brasil |
| GCB➣Global Consumer Banking (Citibank) |
| GCB➣Gilford Community Band (Gilford, NH) |
| GCB➣Greenville Concert Band (Greenville, SC) |
| GCB➣Glenview Concert Band (Glenview, IL) |
| GCB➣Gainesville Community Band (Gainesville, FL) |
| GCB➣Gambian Central Bank |
| GCB➣Gravity Cutback |
| GCB➣Guelph Concert Band (Guelph, Ontario, Canada) |
| GCB➣Greensboro Concert Band (Greensboro, NC) |
| GCB➣Gateway Concert Band (Buckley, WA) |
| GCB➣Gun Control Box (military attack helicopter) |
| GCB➣Greenwood Concert Band (Seattle, WA) |
| GCB➣Gem City Bands |
| GCB➣Gold Coast Bands |