| Acronym | Definition |
|---|
| CMX | Compliance Monitoring Extension |
| CMX | Corel Presentation Exchange |
| CMX | Compact Media Extension |
| CMX | Chicago Mercantile Exchange (Chicago, IL) |
| CMX | Crisis Management Exercise |
| CMX | Corel Presentation Exchange (file extension) |
| CMX | Cloaca Maxima (sewage system of ancient Rome; Finnish rock band) |
| CMX | Compact Media Extensions (Qualcomm) |
| CMX | Cisco Mobile Exchange |
| CMX | Hancock, MI, USA - Houghton County / Memorial (Airport Code) |
| CMX | Communications cable limited use |
| CMX | China Middle East Express |
| CMX | Connection Module X |
| CMX | Carrier Mexico SA |