| Abbreviation | Definition |
|---|---|
| MSF | Mobile Sales Force |
| MSFS | Master s in Financial Services |
| MSG | Management Steering Group |
| MSG | Management System Guide |
| msgr | messenger |
| MSIP | Multi Stage Improvement Program |
| MSM | MainStream Media |
| MSME | Micro, Small, and Medium Enterprises |
| MSN | Manufacturer's Serial Number |
| MSO | Management Services Organization |
| MSO | Multiple System Operator |
| MSP | Management Service Provider |
| MSP | Managing Successful Programs |
| MSP | Medicare Secondary Payer |
| MSP | Metropolitan Single Professionals |
| MSP | Multi-Stakeholder Process |
| MSR | Manufacturer Supplier Relationship |
| MSR | Material Supply Request |
| MSRB | Municipal Securities Rulemaking Board |
| MSRP | Manufacturer's Suggested Retail Price |