| Acronym | Definition |
|---|
| MNI➣Manning (Amtrak station code; Manning, OR) |
| MNI➣Manufacturers News Inc (Evanston, IL) |
| MNI➣Market News International |
| MNI➣Montreal Neurological Institute (Montreal, Quebec, Canada) |
| MNI➣Montréal Neurological Institute |
| MNI➣Minimum Number of Individuals |
| MNI➣Ministry of National Infrastructure (Israel) |
| MNI➣Media Networks, Inc. |
| MNI➣Master Name Index |
| MNI➣Montserrat, Montserrat - Blackburne (Airport Code) |
| MNI➣MuggleNet Interactive (Harry Potter fan forum) |
| MNI➣Mediation Northern Ireland |
| MNI➣Merit Network, Inc. |
| MNI➣Mesa Nacional Indígena (Spanish: National Indigenous Board; Costa Rica) |
| MNI➣Motorsport News International |
| MNI➣Merom New Instruction (computing protocol) |
| MNI➣Mobile Network Identity (telecommunications) |
| MNI➣Modular Network Interface (computing protocol) |
| MNI➣Member of Nautical Institute |