CMO

CMO may refer to:

Business

 * Chief marketing officer
 * Chief medical officer, the senior government official designated head of medical services
 * Chief merchandising officer
 * Collateralized mortgage obligation, a type of complex debt security
 * Contract manufacturing organization, a pharmaceutical manufacturing outsourcing organization
 * Collective management organization, an organisation that manages intellectual property rights, like copyrights, on behalf of rightsholders.

Organizations

 * Chicago, St. Paul, Minneapolis and Omaha Railway
 * Chi Mei Optoelectronics, producer of TFT LCD panels
 * Citizens' Municipal Organisation, Australian political organisation
 * Commodore's Messenger Organization, a high-ranking group with the Scientology Sea Organisation
 * Congressional caucus or congressional member organization

Science and engineering

 * Central massive object at the center of a galaxy, either a supermassive black hole, or a nuclear star cluster
 * Cetyl myristoleate, a type of fatty acid ester
 * Corticosterone 18-monooxygenase, an enzyme involved in steroid hormone metabolism
 * Cubic mile of oil, a global-scale measure of energy, roughly equal to the amount of oil consumed worldwide each year
 * Comfort measures only, a medical abbreviation for an end-of-life care instruction

Other uses

 * Canadian Mathematical Olympiad
 * Cyprus Mathematical Olympiad, organised by the Cyprus Mathematical Society
 * CAMPUS Magazine Online
 * Check Mii Out, channel for the Wii
 * Civil-military operations, activities of a military force
 * Command: Modern Operations, commercial wargaming software