CMG may refer to:
Companies
- Capitol Music Group, a music label
- China Media Group, the predominant state radio and television broadcaster in the PRC
- China Media Group Co., Ltd., former name of Huawen Group
- Chipotle Mexican Grill, NYSE ticker symbol
- Cinema Management Group, film sales company
- CMG (company), a telecommunications and IT consultancy company
- Collective Music Group, an American hip hop record label founded by Yo Gotti
- Computer Measurement Group, a worldwide non-profit organization of data processing professionals
- Computer Modelling Group, a producer of reservoir simulation software
- Concord Music Group, American independent music publisher
- Cox Media Group, a broadcasting, publishing, direct marketing, digital media company
- EMI CMG (EMI Christian Music Group), a music label
Space
- Castor Moving Group, a moving group of stars sharing similar velocities
- Control moment gyroscope, orbital facility component
Other
- California men's gathering, an organization supporting the anti-sexist men's movement
- Curaçao, Sint Maarten guilder (CMg), working name for the Caribbean guilder
- Companion of the Order of St Michael and St George, a British and Commonwealth honour
- Corumbá International Airport (IATA airport code), Corumbá, Brazil