| Acronym | Definition |
|---|
| CMB | Cosmic Microwave Background |
| CMB | China Merchants Bank |
| CMB | Columbus, OH |
| CMB | Compagnie Maritime Belge |
| CMB | Core-Mantle Boundary |
| CMB | Chemical Mass Balance |
| CMB | Casa da Moeda do Brasil |
| CMB | Combat Medical Badge |
| CMB | Chase-Manhattan Bank |
| CMB | Crédit Mutuel de Bretagne (French bank) |
| CMB | Computational Molecular Biology |
| CMB | Call Me Back |
| CMB | Cash Money Brothers |
| CMB | Cereal Malt Beverage |
| CMB | Certified Master Baker |
| CMB | Configuration Management Board |
| CMB | Change Management Board |
| CMB | Contact Memory Button |
| CMB | Confederação das Mulheres do Brasil |
| CMB | Cisco Media Blender |
| CMB | Color Me Bad (band) |
| CMB | Customer Management and Billing |
| CMB | Colombo, Sri Lanka - Katunayake International (Airport Code) |
| CMB | Communications and Marketing Branch |
| CMB | Campus Mailbox |
| CMB | Community Mail Bag (Australia Post) |
| CMB | Cash Money Boys (band) |
| CMB | Capacity Management Branch (US Internal Revenue Service |
| CMB | Caspar Melchior Balthazar (religion) |
| CMB | Cellular and Molecular Biosciences |
| CMB | Constitution Making Body (South Africa) |
| CMB | Common Method Bias (statistics) |
| CMB | Covenant Ministries of Benevolence |
| CMB | Callaway Multipurpose Building |
| CMB | Carbolic Methylene Blue |
| CMB | Cavalier Marching Band (Charlottesville, VA) |
| CMB | Canadian Mathematics Bulletin |
| CMB | Cash Money Billionaires (gaming clan) |
| CMB | Chemistry-Metallurgy Baker Division (Los Alamos National Laboratory) |
| CMB | Chal Mere Bhai (Hindi movie) |
| CMB | Charles Montgomery Burns (Simpsons cartoon) |
| CMB | Caparo Merchant Bar PLC (steel company) |
| CMB | Coleman Building (Silver Spring, MD) |
| CMB | Combat Mobility Branch |
| CMB | Collection Management Branch |
| CMB | Configuration Management Branch |
| CMB | Carnaud Metal Box Asia Ltd (Singapore) |
| CMB | Certification Management Board |
| CMB | Common Map Background |
| CMB | Critical Mass Balance |
| CMB | Combat Maneuver Battalion |
| CMB | Chartered Media Buyer (AAPRMA) |
| CMB | Complex Multiplications per Bit |
| CMB | Consequence Management Board |
| CMB | Charleston Metropolitan Bands (Charleston, WV) |