word | | Country name |
| conventional | Montenegro | conventional long form: none conventional short form: Montenegro local long form: none local short form: Crna Gora former: People's Republic of Montenegro, Socialist Republic of Montenegro, Republic of Montenegro |
| conventional | Montserrat | conventional long form: none conventional short form: Montserrat |
| conventional | Morocco | conventional long form: Kingdom of Morocco conventional short form: Morocco local long form: Al Mamlakah al Maghribiyah local short form: Al Maghrib |
| conventional | Mozambique | conventional long form: Republic of Mozambique conventional short form: Mozambique local long form: Republica de Mocambique local short form: Mocambique former: Portuguese East Africa |
| conventional | Namibia | conventional long form: Republic of Namibia conventional short form: Namibia local long form: Republic of Namibia local short form: Namibia former: German Southwest Africa, South-West Africa |
| conventional | Nauru | conventional long form: Republic of Nauru conventional short form: Nauru local long form: Republic of Nauru local short form: Nauru former: Pleasant Island |
| conventional | Navassa Island | conventional long form: none conventional short form: Navassa Island |
| conventional | Nepal | conventional long form: Federal Democratic Republic of Nepal conventional short form: Nepal local long form: Sanghiya Loktantrik Ganatantra Nepal local short form: Nepal |
| conventional | Netherlands | conventional long form: Kingdom of the Netherlands conventional short form: Netherlands local long form: Koninkrijk der Nederlanden local short form: Nederland |
| conventional | Netherlands Antilles | conventional long form: none conventional short form: Netherlands Antilles local long form: none local short form: Nederlandse Antillen former: Curacao and Dependencies |