| Acronym | Definition |
|---|
| MCSA➣Microsoft Certified Systems Administrator |
| MCSA➣Microsoft Certified Solutions Associate (certification) |
| MCSA➣Mobile Computing Systems and Applications (various organizations) |
| MCSA➣Multi Channel Sales Associate (various companies) |
| MCSA➣Motor Carrier Safety Administration (US DOT) |
| MCSA➣Mountain Club of South Africa |
| MCSA➣Methodist Church of Southern Africa |
| MCSA➣Motor Current Signature Analysis |
| MCSA➣Muscle Cross-Sectional Area |
| MCSA➣Major County Sheriff's Association |
| MCSA➣Missouri Council of School Administrators |
| MCSA➣Mir Cooperative Solar Array (joint US/Russian project) |
| MCSA➣Multi-Channel Spectrum Analyzer |
| MCSA➣Motor Carrier Safety Act of 1984 |
| MCSA➣Morris Campus Student Association |
| MCSA➣Moscow, Camden, and San Augustine Railroad |
| MCSA➣Marble Collectors' Society of America |
| MCSA➣Mathematical and Computational Sciences Awareness workshop |
| MCSA➣Marine Corps Supply Activity |
| MCSA➣Midwest Collegiate Snowsports Association |
| MCSA➣Minnesota Chinese Student Association |
| MCSA➣McMaster University Chinese Students' Association (Ontario, Canada) |
| MCSA➣Midwest Collegiate Sailing Association, Inc. |
| MCSA➣Marion County Staffing Association |
| MCSA➣Maneuver Control System Applications |
| MCSA➣Modified Carry-Select Adder |