Cognomen Вэйин (Weiying 
, Вэйин 
) , worldwide, is a rare last name. The family name Вэйин is characteristic of Singapore, where it is a rare surname, Malaysia, and Greece, where it is a very rare surname. In absolute terms, it is commonest in China, Malaysia, and Singapore. Much more prevalently, Вэйин is the forename as well as the last name.