word | | Country name |
| Vietnam | 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 |
| Vincent | Saint Vincent and the Grenadines | conventional long form: none conventional short form: Saint Vincent and the Grenadines |
| Virgin | British Virgin Islands | conventional long form: none conventional short form: British Virgin Islands abbreviation: BVI |
| Virgin | Virgin Islands | conventional long form: United States Virgin Islands conventional short form: Virgin Islands former: Danish West Indies abbreviation: USVI |
| Viti | Fiji | conventional long form: Republic of Fiji conventional short form: Fiji local long form: Republic of Fiji/Matanitu ko Viti local short form: Fiji/Viti |
| Volta | Burkina Faso | conventional long form: none conventional short form: Burkina Faso local long form: none local short form: Burkina Faso former: Upper Volta, Republic of Upper Volta |
| wa | Comoros | conventional long form: Union of the Comoros conventional short form: Comoros local long form: Udzima wa Komori (Comorian); Union des Comores (French); Jumhuriyat al Qamar al Muttahidah (Arabic) local short form: Komori ... |
| wa | Tanzania | conventional long form: United Republic of Tanzania conventional short form: Tanzania local long form: Jamhuri ya Muungano wa Tanzania local short form: Tanzania former: United Republic of Tanganyika and Zanzibar |
| Wake | Wake Island | conventional long form: none conventional short form: Wake Island |
| Wales | United Kingdom | conventional long form: United Kingdom of Great Britain and Northern Ireland; note - Great Britain includes England, Scotland, and Wales conventional short form: United Kingdom abbreviation: UK |
| Wallis | Wallis and Futuna | conventional long form: Territory of the Wallis and Futuna Islands conventional short form: Wallis and Futuna local long form: Territoire des Iles Wallis et Futuna local short form: Wallis et Futuna |