CFM is a three-letter abbreviation that may refer to:
- Cadet Forces Medal, a medal to reward adult volunteers of cadet forces in the UK and New Zealand
- Calea Ferată din Moldova, the Moldovan State Railway
- Caminhos de Ferro de Moçambique, the railway company of Mozambique
- Capital Fund Management, a French hedge fund
- Certified Facility Manager, see Professional certification (business)
- Certified Financial Manager, Institute of Management Accountants
- Certified Floodplain Manager, a professional certification for floodplain and stormwater managers in the United States
- CFM International, a joint venture between GE Aviation of the United States, and Snecma of France, with the sole purpose of building and supporting the CFM56 series of jet engines
- CFM Radio, an independent local radio station broadcasting to Northern and Central Cumbria and the southern tip of Scotland
- Christian Fellowship Ministries, a church associated with Potter's House Christian Fellowship
- Circular flow model in economics, also known as the circular flow of income
- Connectivity Fault Management, part of IEEE 802.1ag standard, it comprises three protocols that work together to help administrators debug Ethernet networks
- The filename extension for ColdFusion markup files
- Chief federal magistrate
- Christian Federation of Malaysia, an ecumenical body in Malaysia comprising all types of Christian churches
- Code Fragment Manager, the native runtime environment for classic Mac OS, which executes Preferred Executable Format files
- ColdFusion Markup Language, or (lowercase) the filename suffix for CFM scripts
- Cubic feet per minute, a measure of volumetric flow
- Code Fragment Manager, part of Manager (Mac OS)
- Moçâmedes Railway or Caminho de Ferro de Moçamedes, an Angolan railway company
- Cage Fighting Championship, an Australian mixed martial arts organization