word | | Country name |
| former | Oman | conventional long form: Sultanate of Oman conventional short form: Oman local long form: Saltanat Uman local short form: Uman former: Muscat and Oman |
| former | Pakistan | conventional long form: Islamic Republic of Pakistan conventional short form: Pakistan local long form: Jamhuryat Islami Pakistan local short form: Pakistan former: West Pakistan |
| former | Palau | conventional long form: Republic of Palau conventional short form: Palau local long form: Beluu er a Belau local short form: Belau former: Trust Territory of the Pacific Islands, Palau District |
| former | Papua New Guinea | conventional long form: Independent State of Papua New Guinea conventional short form: Papua New Guinea local short form: Papuaniugini former: Territory of Papua and New Guinea abbreviation: PNG |
| former | Russia | conventional long form: Russian Federation conventional short form: Russia local long form: Rossiyskaya Federatsiya local short form: Rossiya former: Russian Empire, Russian Soviet Federative Socialist Republic |
| former | Rwanda | conventional long form: Republic of Rwanda conventional short form: Rwanda local long form: Republika y'u Rwanda local short form: Rwanda former: Ruanda, German East Africa |
| former | Saint Kitts and Nevis | conventional long form: Federation of Saint Kitts and Nevis conventional short form: Saint Kitts and Nevis former: Federation of Saint Christopher and Nevis |
| former | Samoa | conventional long form: Independent State of Samoa conventional short form: Samoa local long form: Malo Sa'oloto Tuto'atasi o Samoa local short form: Samoa former: Western Samoa |
| former | Senegal | conventional long form: Republic of Senegal conventional short form: Senegal local long form: Republique du Senegal local short form: Senegal former: Senegambia (along with The Gambia), Mali Federation |
| former | Serbia | conventional long form: Republic of Serbia conventional short form: Serbia local long form: Republika Srbija local short form: Srbija former: People's Republic of Serbia, Socialist Republic of Serbia |
| former | Sint Maarten | Dutch long form: Land Sint Maarten Dutch short form: Sint Maarten English long form: Country of Sint Maarten English short form: Sint Maarten former: Netherlands Antilles; Curacao and Dependencies |