Does Swaziland citizens need United Kingdom visa?

Yes, Swaziland citizens need a visa to visit the United Kingdom. You need to apply for a visa before you travel. The type of visa you need may depend on the reasons you're visiting the United Kingdom and how long you plan to stay. The UK website provides information on the different types of visas and how to apply. Citizens of Swaziland must be in possession of a valid passport and a valid visa to enter the United Kingdom. Visas are required for any stays longer than 6 months. Visitors from Swaziland must also provide proof of sufficient funds and return travel arrangements.