CMM
- C--
- Canadian Methodist Mission
- Capability Maturity Model
- Castilla-La Mancha Media
- Center for Mathematical Modeling
- Centre de Morphologie Mathématique
- Chhattisgarh Mukti Morcha
- Clavibacter michiganensis subsp. michiganensis
- Commander of the Order of Military Merit
- Comprehensive medication management
- Conditional Markov model
- Congregation of the Missionaries of Mariannhill
- Coordinate-measuring machine
- Coordinated management of meaning
- Corpus mensurabilis musicae
- Greater Montreal
- Motorola Canopy
- Wallpaper group