| Abbreviation | Definition |
|---|---|
| LLDC | Landlocked Developing Countries |
| LOV | Los Osos Valley (California) |
| M18 | 18th Meridian of longitude |
| MAGE | Minnesota Alliance For Geographic Education |
| MCGI | Michigan Center for Geographic Information |
| MERSA | Member of the Regional Studies Association |
| MGA | Member and Geographic Activities |
| MSL | Mean Sea Leve |
| MTS | mountains |
| MUGS | McGill Undergraduate Geography Society |
| NAWAPA | North American Water and Power Alliance |
| NCGE | National Council for Geographic Education |
| NDG | Notre-Dame-de-Grâce |
| NGAD | NATIONAL Geographic Abu Dhabi |
| NGAS | Natural Geographical and Applied Sciences |
| NGEG | New Global Economic Geography |
| NGM | National Geographic |
| NGN | Non Geographic Number |
| NRSG | Norwegian Researcher School in Geography |
| NSTSB | North-South Trending Seismic Belt |