EIRS
| Acronym | Definition |
|---|---|
| EIRS | Election Incident Reporting System (voting analysis) |
| EIRS | Engine Infrared Suppression |
| EIRS | Engineering Improvement Recommendation System (US Army Corps of Engineers) |
| EIRS | Electronic Information Retrieval System |
| EIRS | Eye Injury Reporting System (US DoD) |
| EIRS | External Interface Requirements Specification |