| Abbreviation | Definition |
|---|---|
| MIR | Mail In Rebate |
| MIR | Management Of Innovation Risks |
| MIR | Manufacturing Investigation Report |
| MIRR | Modified Internal Rate of Return |
| MIS | Manager Instruction Sheet |
| MIS | Marketing Intelligence Survey |
| MISP | Minimum Initial Service Package |
| MISS | Motivation Information Skills and Support |
| MISSI | Monthly Integrated Survey of Selected Industries |
| MISSION | Measurable Interactive Sustainable Systematic Innovative Observable Negotiable |
| MISTR | Management of Item Subject To Repair |
| MIT | Market If Touched |
| MIT | Most Improved Team |
| MITI | Ministry of International Trade and Industry |
| MITS | Management Initiatives Tracking System |
| MITS | Modernization and Information Technology Services |
| MITTS | Merrill Lynch Market Index Target Term Securities |
| MIW | Make It Work |
| MIW | Management of Information on the Web |
| MJ | Magnificent Job |