| Acronym | Definition | 
|---|
| MSCA➣Master Source Code Agreement | 
| MSCA➣Mechanical Service Contractors of America | 
| MSCA➣Military Support to Civil Authorities | 
| MSCA➣Microsoft Certified Systems Administrator | 
| MSCA➣Massachusetts Systems Contractors Association (Sharon, MA) | 
| MSCA➣Missing Cargo (shipment accuracy) | 
| MSCA➣Mobile Supply Chain Application | 
| MSCA➣Marque Sports Car Association | 
| MSCA➣Multi-Site Cooperative Agreement | 
| MSCA➣Minnesota State Chess Association | 
| MSCA➣Mississippi Scholastic Chess Organization | 
| MSCA➣Master-at-Arms of the Society for Creative Anachronism |