| Acronym | Definition |
|---|
| CGB | Certified Graduate Builder (professional builder designation) |
| CGB | Commissie Gelijke Behandeling (Dutch: Equal Treatment Commission; Netherlands) |
| CGB | Consumer and Governmental Affairs Bureau |
| CGB | Copper Gigabit |
| CGB | Cute Gay Boy |
| CGB | Game Boy Color (known as CGB in development) |
| CGB | Commonwealth Geographical Bureau (UK) |
| CGB | Commission du Génie Biomoléculaire (French: Biomolecular Engineering Commission) |
| CGB | Cambridgeshire Guided Busway (public transport; UK) |
| CGB | Compagnie Générale de Bourse (French numismatic dealer) |
| CGB | Canadian Government Bond |
| CGB | Confédération Générale des Planteurs de Betteraves (French) |
| CGB | California Green Builder |
| CGB | Cuiaba, Mato Grosso, Brazil (Airport Code) |
| CGB | Corporate Governance Board (various locations) |
| CGB | Circuit Group Blocking Message |
| CGB | Current Generation Broadband (communications) |
| CGB | Clan Ghost Bear (gaming clan) |
| CGB | Chorionic Gonadotropin, Beta Chain |
| CGB | Cercle Généalogique de Bourbon (French: Bourbon Genealogy Circle) |
| CGB | Christine Gendre-Bergère (French artist) |
| CGB | Commonground Band |
| CGB | Central Gear Box |
| CGB | Chronic Gastrointestinal Bleeding |
| CGB | Cosmic Diffuse Gamma-Ray Background |
| CGB | Consolidated Grain & Barge Company (Mandeville, LA) |
| CGB | Certified Green Belt (Six Sigma quality) |
| CGB | Cold Glue Box |
| CGB | Cosmic Gear Box (band) |
| CGB | Cepatwawasan Group Berhad (investment company, Malaysia) |
| CGB | Carèle Giacobbo-Baudet (Swiss public relations agency) |
