CM2
CM2 stands for:
- CM type 2, type of a CM meteorite, see carbonaceous chondrite
- Championship Manager 2, video game from the Championship Manager series
- Matrix protein 2 of influenza virus C, analogous to matrix protein 2 (influenza virus A) , membrane protein in the virus envelope of members of the genus influenza virus C
- contribution margin 2 (German: "Deckungsbeitrag II"), see contribution margin
cm2 or cm² stands for:
- Square centimeter , unit of measure for area
CM-2 stands for:
- Connection Machine CM-2, American massive parallel computer from Thinking Machines
- Corby CM-2 Starlet, self-made Australian aircraft by John Corby
