CM1
# CM1

CM1, CM-1 or $cm^{−1}$ may refer to:

* The Chelmsford postcode area
* Bowers & Wilkins (B&W) CM1 loudspeaker
* A primary school grade in the French educational system
* Cooking Mama, the first game in the Cooking Mama series
* Cake Mania, the first game in the Cake Mania series
* The Panasonic Lumix DMC-CM1 smartphone
* Connection Machine Model 1, a parallel computer
* USS Baltimore (CM-1), a United States warship

In the form $cm^{−1},$ it may refer to:

