| Acronym | Definition |
|---|
| ECOM➣E-Commerce Online Marketing |
| ECOM➣Electronic Commerce |
| ECOM➣Emergency Communications |
| ECOM➣Emission Control |
| ECOM➣Electronics Command (Army) |
| ECOM➣Electronic Computer-Originated Mail |
| ECOM➣Exterior Communications (System) |
| ECOM➣United States Army Electronics Command |
| ECOM➣Ethernet Communication Module |
| ECOM➣Electronic Commerce Operations Management |
| ECOM➣Exchange Carrier Operations Management (Telcordia) |
| ECOM➣ESA Cost Modeling Software |
| ECOM➣Electronic Control Unit Communications Module |
| ECOM➣ECU Communications Module (military aviation) |