| Acronym | Definition |
|---|
| CALM | Department of Conservation and Land Management (Western Australia) |
| CALM | California Living Museum |
| CALM | Circumpolar Active Layer Monitoring |
| CALM | Career and Life Management (Canada) |
| CALM | Catenary Anchor Leg Mooring |
| CALM | Cannabis as Living Medicine (Canada; est. 1996) |
| CALM | Canadian Association of Labour Media (Toronto, ON, Canada) |
| CALM | Center for Alternative Living Medicine |
| CALM | Cafe-Au-Lait Macules |
| CALM | Collaborative Application Lifecycle Management (also seen as C/ALM) |
| CALM | Canadian Association of Logistics Management |
| CALM | Catholic Action League of Massachusetts |
| CALM | Custody Action for Lesbian Mothers |
| CALM | Continuous Air interface for Long and Medium range (telecommunications) |
| CALM | Circumarctic Active Layer Monitoring |
| CALM | Common Assembly Language for Microprocessors |
| CALM | Client Account Lifecycle Management |
| CALM | Computer Aided Asset Liability Management |
| CALM | Computer Assisted Learning Module |
| CALM | Computer-Assisted Livestock Marketing |
| CALM | Community Action in Learning Music (Greece) |
| CALM | Citizens Against Legalized Murder |
| CALM | Computer Automated Load Manifesting |
| CALM | Children Affected with Lymphatic Malformations |
| CALM | Catapult Arresting-Gear and Landing-Aids Maintenance |
| CALM | Criticality Alarm Logic Module |
| CALM | Charlottesville's Abundant Life Ministries |