Uzbekistan: noun: Uzbekistani(s)

adjective: Uzbekistani

Vanuatu: noun: Ni-Vanuatu (singular and plural)

adjective: Ni-Vanuatu

Venezuela: noun: Venezuelan(s)

adjective: Venezuelan

Vietnam: noun: Vietnamese (singular and plural)

adjective: Vietnamese

Virgin Islands: noun: Virgin Islander(s)

adjective: Virgin Islander