word | | Country name |
| form | Armenia | conventional long form: Republic of Armenia conventional short form: Armenia local long form: Hayastani Hanrapetut'yun local short form: Hayastan former: Armenian Soviet Socialist Republic, Armenian Republic |
| form | Aruba | conventional long form: none conventional short form: Aruba |
| form | Ashmore and Cartier Islands | conventional long form: Territory of Ashmore and Cartier Islands conventional short form: Ashmore and Cartier Islands |
| form | Australia | conventional long form: Commonwealth of Australia conventional short form: Australia |
| form | Austria | conventional long form: Republic of Austria conventional short form: Austria local long form: Republik Oesterreich local short form: Oesterreich |
| form | Azerbaijan | conventional long form: Republic of Azerbaijan conventional short form: Azerbaijan local long form: Azarbaycan Respublikasi local short form: Azarbaycan former: Azerbaijan Soviet Socialist Republic |
| form | Bahamas, The | conventional long form: Commonwealth of The Bahamas conventional short form: The Bahamas |
| form | Bahrain | conventional long form: Kingdom of Bahrain conventional short form: Bahrain local long form: Mamlakat al Bahrayn local short form: Al Bahrayn former: Dilmun, State of Bahrain |
| form | Bangladesh | conventional long form: People's Republic of Bangladesh conventional short form: Bangladesh local long form: Gana Prajatantri Bangladesh local short form: former: East Bengal, East Pakistan |
| form | Barbados | conventional long form: none conventional short form: Barbados |
| form | Belarus | conventional long form: Republic of Belarus conventional short form: Belarus local long form: Respublika Byelarus' local short form: Byelarus' former: Belorussian (Byelorussian) Soviet Socialist Republic |