| Abbreviation | Definition |
|---|---|
| CMAPP | Custom Made Application |
| CMC | Classic Motor Car |
| CMCP | Condition Monitoring and Custom Products |
| CMD | Cross Machine Direction |
| CMD | Cross Machine Duotone |
| CMM | Coordinate Measuring Machine |
| CMMD | Ceramic Metal Matrix Diaphragm |
| CMPH | Charles Multi-Purpose Housing |
| CMPT | Component |
| CMS | Central Material Services |
| CMS | Constant Maturity Swap |
| CMT | Conductive Marine Tensile |
| CMT | Curly Maple Top |
| CMT | Cut, Make, and Trim |
| CMTS | Customized Motor Test System |
| CMU | Canister Monitor Unit |
| CNAF | Compressed Fibre (non-asbestos) |
| CNB | Cascade Nut & Bolt |
| CNF | Compressed Natural Fuel |
| CNP | Certified Nutritional Products |