word | | Country name |
| way | 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 |
| wee | 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 |
| West | Namibia | conventional long form: Republic of Namibia conventional short form: Namibia local long form: Republic of Namibia local short form: Namibia former: German South-West Africa (Sued-West Afrika), South-West Africa |
| West | 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 |
| West | Virgin Islands | conventional long form: United States Virgin Islands conventional short form: Virgin Islands former: Danish West Indies abbreviation: USVI |
| West | West Bank | conventional long form: none conventional short form: West Bank |
| Western | 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 |
| Western | Western Sahara | conventional long form: none conventional short form: Western Sahara former: Rio de Oro, Saguia el Hamra, Spanish Sahara |
| weSwatini | Swaziland | conventional long form: Kingdom of Swaziland conventional short form: Swaziland local long form: Umbuso weSwatini local short form: eSwatini |
| whar | Cote d'Ivoire | ... of Cote d'Ivoire conventional short form: Cote d'Ivoire local long form: Republique de Cote d'Ivoire local short form: Cote d'Ivoire note: pronounced coat-div-whar former: Ivory Coast |
| Xa | Vietnam | conventional long form: Socialist Republic of Vietnam conventional short form: Vietnam local long form: Cong Hoa Xa Hoi Chu Nghia Viet Nam local short form: Viet Nam abbreviation: SRV |