| 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 |