- CALM stands for Department of Conservation and Land Management (Western Australia)
- CALM
- CALM stands for California Living Museum
- CALM stands for Commercial Advertisement Loudness Mitigation Act
- CALM stands for Circumpolar Active Layer Monitoring
- CALM stands for Career and Life Management (Canada)
- CALM stands for Catenary Anchor Leg Mooring
- CALM stands for Cannabis as Living Medicine (Canada; est. 1996)
- CALM stands for Canadian Association of Labour Media (Toronto, ON, Canada)
- CALM stands for Cognitive and Affective Learning Model
- CALM stands for Center for Alternative Living Medicine
- CALM stands for Cafe-Au-Lait Macules
- CALM stands for Collaborative Application Lifecycle Management (also seen as C/ALM)
CALM