CM1
| Acronym | Definition |
|---|---|
| CM1 | Cours Moyen 1ere Annee (French: During the 1st Year Average) |
| CM1 | Children's Machine 1 (One Laptop per Child) |
| CM1 | Chiari Malformation Type 1 (pediatrics) |
| CM1 | Construction Mechanic First Class (Naval Rating) |
| CM1 | Crystal Mall 1 |