word | | Country name |
| local | Paraguay | conventional long form: Republic of Paraguay conventional short form: Paraguay local long form: Republica del Paraguay local short form: Paraguay |
| local | Peru | conventional long form: Republic of Peru conventional short form: Peru local long form: Republica del Peru local short form: Peru |
| local | Philippines | conventional long form: Republic of the Philippines conventional short form: Philippines local long form: Republika ng Pilipinas local short form: Pilipinas |
| local | Poland | conventional long form: Republic of Poland conventional short form: Poland local long form: Rzeczpospolita Polska local short form: Polska |
| local | Portugal | conventional long form: Portuguese Republic conventional short form: Portugal local long form: Republica Portuguesa local short form: Portugal |
| local | Qatar | conventional long form: State of Qatar conventional short form: Qatar local long form: Dawlat Qatar local short form: Qatar note: closest approximation of the native pronunciation falls between cutter and gutter, but ... |
| local | Romania | conventional long form: none conventional short form: Romania local long form: none local short form: Romania |
| local | 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 |
| local | 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 |
| local | Saint Barthelemy | conventional long form: Overseas Collectivity of Saint Barthelemy conventional short form: Saint Barthelemy local long form: Collectivite d'outre mer de Saint-Barthelemy local short form: Saint-Barthelemy |
| local | Saint Martin | conventional long form: Overseas Collectivity of Saint Martin conventional short form: Saint Martin local long form: Collectivity d'outre mer de Saint-Martin local short form: Saint-Martin |
| local | Saint Pierre and Miquelon | ... long form: Territorial Collectivity of Saint Pierre and Miquelon conventional short form: Saint Pierre and Miquelon local long form: Departement de Saint-Pierre et Miquelon local short form: Saint-Pierre et Miquelon |
| local | 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 |
| local | San Marino | conventional long form: Republic of San Marino conventional short form: San Marino local long form: Repubblica di San Marino local short form: San Marino |
| local | Sao Tome and Principe | ... long form: Democratic Republic of Sao Tome and Principe conventional short form: Sao Tome and Principe local long form: Republica Democratica de Sao Tome e Principe local short form: Sao Tome e ... |
| local | Saudi Arabia | conventional long form: Kingdom of Saudi Arabia conventional short form: Saudi Arabia local long form: Al Mamlakah al Arabiyah as Suudiyah local short form: Al Arabiyah as Suudiyah |
| local | 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 |
| local | 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 |
| local | Seychelles | conventional long form: Republic of Seychelles conventional short form: Seychelles local long form: Republic of Seychelles local short form: Seychelles |
| local | Sierra Leone | conventional long form: Republic of Sierra Leone conventional short form: Sierra Leone local long form: Republic of Sierra Leone local short form: Sierra Leone |
| local | Singapore | conventional long form: Republic of Singapore conventional short form: Singapore local long form: Republic of Singapore local short form: Singapore |
| local | Slovakia | conventional long form: Slovak Republic conventional short form: Slovakia local long form: Slovenska Republika local short form: Slovensko |