Please note that the following information is correct at the time of writing (and is updated frequently), however these things do change frequently so it may be worth checking the current visa requirements before travelling to Namibia.
All visitors require a passport to enter Namibia. This passport must be valid for at least 6 months beyond the intended stay and have sufficient pages for entry and exit stamps. All visitors must also have a valid return ticket.
Minimum Requirements for Tourists exempted from visa requirements to enter Namibia:
Holders of ordinary passports issued by the following 55 jurisdictions can enter Namibia without a visa for a maximum stay of 3 months within one calendar year:
Citizens of the following countries and territories can obtain a visa on arrival arriving at Hosea Kutako International Airport or Walvis Bay Airport for a maximum stay of 3 months. The cost of the visa on arrival is N$1000.
Holders of diplomatic, official or service passports issued to nationals of:
Visa waiver agreement for diplomatic and service passports was signed with Vietnam in 2013 but has not yet come into force.
For visitors from other countries, please check with your nearest Namibian Consulate about obtaining a visa.