Only citizens of certain countries can visit Vietnam without a visa, they are: Nationals of most ASEAN countries: No visa is required if they plan to stay less than 30 days. Nationals of South Korea, Japan, Russia, Norway, Sweden, Denmark, Finland, Britain, France, Germany, Spain and Italy: No visa is required if they plan to stay less than 15 days. Citizens of other countries are required to get an entry visa before departure or an approval letter for a visa on arrival (the visa issued on arrival at Vietnam International Airports). To obtain your entry visa you have to apply to any Vietnam Embassies and/or Consulates worldwide. You need a passport with at least 6 months validity. If there is no Vietnam Embassy or Consulate in your country, or if you just want to make. Vietnam part of a multi-destination trip, then Visa on Arrival is the best option.