| Acronym | Meaning |
| EID | Earliest Induction Date |
| EID | Earned Income Disregard |
| EID | Electrically Initiated Device (US DoD) |
| EID | Emitter Identification Data |
| EID | Employment Information Data |
| EID | Enforcement Integrated Database |
| EID | Engineering & Installation Division |
| EID | Enterprise Identifier |
| EID | Environmental Improvement Division |
| EID | Environmental Information Documents |
| EID | Equipment Identifier |
| EID | Error Insertion Device |
| EID | Estimated Issue Date |