| MSCS | Maine Shared Collections Strategy 
| Others |
| MSCS | Maritime Service Compliance System
| Others |
| MSCS | Mass Storage Control System
| Others |
| MSCS | Master of Science in Clinical Science
| Others |
| MSCS | Mathematical Structures in Computer Science
| Others |
| MSCS | Mathematics Statistics and Computer Science
| Others |
| MSCS | Matrix Settlement Clearance Services
| Others |
| MSCS | Mazda Stabilized Combustion System
| Others |
| MSCS | Mess Attendant Specialist Senior Chief Petty Officer
| Others |
| MSCS | Message Server Communication Suite
| Others |
| MSCS | Metamaterial Surface Cloaking System
| Others |
| MSCS | Microsoft Cluster Server Support
| Others |
| MSCS | Microsoft Cluster Service
| Others |
| MSCS | Microsoft Commerce Server
| Others |
| MSCS | Midwest Sprint Car Series
| Others |
| MSCS | Mobile Service Center System
| Others |
| MSCS | Multi-Service Communications System
| Others |
| MSCS | Multi-Spectral Camouflage System
| Others |
| MSCS | Multidimensional Self Concept Scale
| Others |
| MSCS | Muscle Shoals City Schools
| Others |
| MSCS | Senior Chief Mess Specialist
| Others |