MID
- DIMMID
- Integration and Development Movement
- MIDS (disambiguation)
- Main Intelligence Directorate (disambiguation)
- MapInfo Interchange Format
- Maritime Mobile Service Identity
- Measuring Instruments Directive
- Media Identification Code
- Mentioned in dispatches
- Mid vowel
- Middletown station (Pennsylvania)
- Midfielder
- Militarized interstate dispute
- Military Intelligence Division (United States)
- Minimal important difference
- Ministry of Foreign Affairs (Russia)
- Ministry of Interior and Defence
- Mobile Internet device
- Modesto Irrigation District
- Molded interconnect device
- Monocyte
- Mortgage interest deduction
- Multi-infarct dementia
- Musical Instrument Digital Interface
- Mérida International Airport