CH
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| CH | Channel | - | Organizations |
| CH | 4Methane | - | Organizations |
| CH | Chieftain Tank -China (FIPS 10-4 Country Code) - Switzerland (ISO 3166 Digram; From Latin Confoederatio Helvetica) | - | Astronomy |
| CH | Chamorro Language (ISO 639-1 Code) | - | Astronomy |