Only citizens of certain countries can visit Vietnam without Vietnam entry visa.
Those countries include:

• Most citizens of ASEAN member countries (Thailand, Indonesia, Singapore, Malaysia, Myanmar, Cambodia, Lao, Philipines and Brunei) are no need Vietnam visa for visiting Vietnam within 30 days.
• Citizens of Korea, Japan,Russia & Scandinavians (Norway, Denmark, Sweden and Finland passport holders) are no need Vietnam visa for visit Vietnam within 15 days.

All other citizens are required to get Vietnam entry visa before departure (Vietnam visa issued prior to departure by Vietnamese consulates or embassies) or a pre-approved Vietnam entry visa (visa is issued on arrival at Vietnam’s International Airports) supplied before arrival in Vietnam.

Who need visa to Vietnam ?

Only citizens of certain countries can visit Vietnam without Vietnam entry visa. Those countries include: most citizens of ASEAN countries are no need Vietnam visa for visit Vietnam within 30 days; citizens of Korea, Japan, Russia & Scandinavians (Norway, Denmark, Sweden and Finland passport holders) are no need Vietnam visa for visit Vietnam within 15 days. All other citizens are required to get Vietnam entry visa before departure (Vietnam visa issued prior to departure by Vietnamese consulates or embassies) or a pre-approved Vietnam entry visa (visa is issued on arrival at Vietnam’s International Airports) supplied before arrival in Vietnam.

Hereafter Vietnam Visa exemption information you should know:

• No Vietnam entry visa required for travel less than 30 days: Citizens of Thailand, Philippines, Malaysia, Singapore, Indonesia, Myanmar, Cambodia, Brunei and Laos.
  
  
• No Vietnam entry visa required for travel less than 15 days: Citizens of Japan, South Korea, Sweden, Norway, Denmark and Finland.
  
  
• No visa required for travel less than 90 days or several visits within 6 months: Citizens of France holding valid diplomatic or official passports.
  
  
• No Vietnam entry visa required for travel less than 60 days: Citizens of Chile holding valid diplomatic or official passports.
  
  
• No Vietnam entry visa required for travel less than 60 days: APEC Business Travel Card (ABTC) Holders from Asia-Pacific Economic Cooperation (APEC) member economies.
  
  
• No Vietnam entry visa for traveling to Phu Quoc Island – Vietnam : Foreigners and Vietnamese nationals bearing foreign passports who enter Vietnam through an international border gate and then travel to Phu Quoc Island and stay in Phu Quoc less than 15 days will also be exempt from Vietnam visa application. Passports must be valid for at least 45 days. After arriving in Phu Quoc Island, if visitors want to travel other localities or stay in the island for more than 15 days, the immigration department will be responsible for issuing visas right on the spot.
  
  
• No visa required for Vietnamese overseas less than 90days staying if holding Vietnam visa exemption certificate.

That’s some information on Vietnam exemption we would inform you know.