| EMSC | East Meadow Soccer Club 
| Others |
| EMSC | Electric Mirror and Steering Column Adjustment
| Others |
| EMSC | Electrician's Mate (shop) Chief Petty Officer
| Others |
| EMSC | Emergency Medical Services Corporation
| Others |
| EMSC | Emergency Medical Services for Children
| Others |
| EMSC | Engineering Maintenance Safety Committee
| Others |
| EMSC | Enterprise Mobile Service Computing
| Others |
| EMSC | Environmental Maintenance Services Center
| Others |
| EMSC | European Mediterranean Seismological Centre
| Others |
| EMSC | European-Mediterranean Seismological Centre
| Others |
| EMSC | Every Man Sends Cignals
| Others |
| EMSC | Extended Multiplicative Signal Correction
| Others |