word | | Country name |
| American | American Samoa | conventional long form: Territory of American Samoa conventional short form: American Samoa abbreviation: AS |
| Anachak | Thailand | conventional long form: Kingdom of Thailand conventional short form: Thailand local long form: Ratcha Anachak Thai local short form: Prathet Thai former: Siam |
| Andorra | Andorra | conventional long form: Principality of Andorra conventional short form: Andorra local long form: Principat d'Andorra local short form: Andorra |
| anga | Tonga | conventional long form: Kingdom of Tonga conventional short form: Tonga local long form: Pule'anga Tonga local short form: Tonga former: Friendly Islands |
| Anglo | Sudan | conventional long form: Republic of the Sudan conventional short form: Sudan local long form: Jumhuriyat as-Sudan local short form: As-Sudan former: Anglo-Egyptian Sudan |
| Angola | Angola | conventional long form: Republic of Angola conventional short form: Angola local long form: Republica de Angola local short form: Angola former: People's Republic of Angola |
| Anguilla | Anguilla | conventional long form: none conventional short form: Anguilla |
| Antarctic | French Southern and Antarctic Lands | conventional long form: Territory of the French Southern and Antarctic Lands conventional short form: French Southern and Antarctic Lands local long form: Territoire des Terres Australes et Antarctiques Francaises local short form ... |
| Antarctica | Antarctica | conventional long form: none conventional short form: Antarctica |
| Antarctiques | French Southern and Antarctic Lands | ... Southern and Antarctic Lands conventional short form: French Southern and Antarctic Lands local long form: Territoire des Terres Australes et Antarctiques Francaises local short form: Terres Australes et Antarctiques Francaises abbreviation: TAAF |
| Antigua | Antigua and Barbuda | conventional long form: none conventional short form: Antigua and Barbuda |
| Antillen | Netherlands Antilles | conventional long form: none conventional short form: Netherlands Antilles local long form: none local short form: Nederlandse Antillen former: Curacao and Dependencies |
| Antilles | Netherlands Antilles | conventional long form: none conventional short form: Netherlands Antilles local long form: none local short form: Nederlandse Antillen former: Curacao and Dependencies |
| any | Burma | ... the name Myanmar as a conventional name for their state; this decision was not approved by any sitting legislature in Burma, and the US Government did not adopt the name, which is ... |
| Aomen | Macau | conventional long form: Macau Special Administrative Region conventional short form: Macau local long form: Aomen Tebie Xingzhengqu (Chinese); Regiao Administrativa Especial de Macau (Portuguese) local short form: Aomen (Chinese); Macau (Portuguese) |
| approved | Burma | ... have promoted the name Myanmar as a conventional name for their state; this decision was not approved by any sitting legislature in Burma, and the US Government did not adopt the name ... |
| approximation | Qatar | ... 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 not like guitar |
| Arab | Egypt | conventional long form: Arab Republic of Egypt conventional short form: Egypt local long form: Jumhuriyat Misr al-Arabiyah local short form: Misr former: United Arab Republic (with Syria) |
| Arab | Libya | conventional long form: Great Socialist People's Libyan Arab Jamahiriya conventional short form: Libya local long form: Al Jumahiriyah al Arabiyah al Libiyah ash Shabiyah al Ishtirakiyah al Uzma local short form ... |
| Arab | Syria | conventional long form: Syrian Arab Republic conventional short form: Syria local long form: Al Jumhuriyah al Arabiyah as Suriyah local short form: Suriyah former: United Arab Republic (with Egypt) |
| Arab | United Arab Emirates | conventional long form: United Arab Emirates conventional short form: none local long form: Al Imarat al Arabiyah al Muttahidah local short form: none former: Trucial Oman, Trucial States abbreviation: UAE |