| Acronym | Meaning |
| JY | Japanese Yen |
| CITS | Combat Identification Training System |
| CN | Canadian National (railway) -China (ISO 3166 Digram) - Comoros (FIPS 10-4 Country Code) |
| FOM | Federation Object Model |
| JFMCC | Joint Force Maritime Component Commander |
| AM | Amharic Language (ISO 639-1 Code) - Attometre |
| DZO | Dzongkha Language (ISO 639-2 Code) |
| JMS | Java Message Service |
| JUGFET | JUnction Gate Field-Effect Transistor |
| UST | Underground Storage Tank |