| Acronym | Definition |
|---|
| AMSI | Antimalware Scan Interface (software) |
| AMSI | Ameritech Message Signal Interface |
| AMSI | Australian Mathematical Sciences Institute |
| AMSI | Architectural Metal Specialties, Inc. (Douglasville, GA) |
| AMSI | American Media and Social Institutions (Middle Tennessee State University) |
| AMSI | Academia Management Solutions International (Dubai, United Arab Emirates) |
| AMSI | Association of Muslim Scholars of Iraq |
| AMSI | Assembled Munitions Serviceability Inspection |
| AMSI | Ambient Surround Imaging |
| AMSI | Atlantic Merchant Shipping Instructions |