CMM may refer to
Science and technology Capability Maturity Model, a tool for assessing processes in organizations during software development Clavibacter michiganensis subsp. michiganensis, plant pathogen subspecies Cluster management module, part of a Motorola Canopy system Color management module, a term in color management Conditional Markov model or maximum-entropy Markov model Coordinate-measuring machine, a device for dimensional measuring Coordinated management of meaning, a communications theory Cybersecurity maturity model, a type of maturity model C--, also pronounced Cmm, a programming language
Finance Constant Maturity Mortgage, a benchmark yield for mortgage-backed securities
Mathematics The wallpaper group cmm (2*22)
Organisations Canadian Methodist Mission Center for Mathematical Modeling, a research institute in Chile Centre de Morphologie Mathématique (Center of Mathematical Morphology), a research center of the École des Mines de Paris in France Chhattisgarh Mukti Morcha, a political party in India Congregation of the Missionaries of Mariannhill
Other uses Commander of the Order of Military Merit, a Canadian decoration Communauté métropolitaine de Montréal (CMM), French name of the Montreal Metropolitan Community (MMC), part of Greater Montreal Corpus mensurabilis musicae, a collection of polyphonic vocal music of the Renaissance Castilla-La Mancha Media (CMM), a regional public broadcaster in Spain Comprehensive medication management, process of delivering a patient's medications for appropriate use