| Acronym | Meaning |
| MO | Moldovan Language (ISO 639-1 Code) |
| MLWN | Mean Low Water Neaps (nautical Charts) |
| ISK | Icelandic Krona (ISO 4217 Currency Code) |
| NGIC | National Ground Intelligence Center (Injick) |
| GED | General Education Development |
| CIAO | Critical Infrastructure Assurance Office - Component-Integrated ACE ORB |
| EROS | Earth Resources Observation System |
| MK | Air Mauritius (IATA Code) - Macedonia (ISO 3166 Digram; FIPS 10-4 Country Code) -Mandalskameratene (Norwegian Football Club) -Megakelvin -Missionary Kid - Mortal Kombat (game) |
| IMLAST | International Movement For Leisure Activities In Science And Technology - See MILSET |
| HZ | Herero Language (ISO 639-1 Code) |