Cognomen Вэйвэй (Weiwei 
, Вэйвэй 
) , in the world, is quite a rare last name. The last name Вэйвэй is habitual in South-eastern Asia, particularly Singapore, where it is quite a rare surname, Malaysia, where it is a rare surname, and Indonesia. Not in comparison with a country's population, it is commonest in China, Indonesia, and Malaysia. Predominantly, Вэйвэй is the forename as well as the last name.