word | | Country name |
| former | Marshall Islands | ... Marshall Islands conventional short form: Marshall Islands local long form: Republic of the Marshall Islands local short form: Marshall Islands abbreviation: RMI former: Trust Territory of the Pacific Islands, Marshall Islands District |
| former | Micronesia, Federated States of | ... States of Micronesia conventional short form: none local long form: Federated States of Micronesia local short form: none former: Trust Territory of the Pacific Islands, Ponape, Truk, and Yap Districts abbreviation: FSM |
| former | Moldova | conventional long form: Republic of Moldova conventional short form: Moldova local long form: Republica Moldova local short form: Moldova former: Moldavian Soviet Socialist Republic, Moldovan Soviet Socialist Republic |
| former | Mongolia | conventional long form: none conventional short form: Mongolia local long form: none local short form: Mongol Uls former: Outer Mongolia |
| former | 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 |
| former | 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 |
| former | 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 |
| former | Nauru | conventional long form: Republic of Nauru conventional short form: Nauru local long form: Republic of Nauru local short form: Nauru former: Pleasant Island |
| former | Netherlands Antilles | conventional long form: none conventional short form: Netherlands Antilles local long form: none local short form: Nederlandse Antillen former: Curacao and Dependencies |
| former | Niue | conventional long form: none conventional short form: Niue note: pronunciation falls between nyu-way and new-way, but not like new-wee former: Savage Island |