Last name Чанвэй (Changwei 
, Чанвэй 
) , all over the world, is a very rare cognomen. The last name Чанвэй is habitual in Singapore, where it is a very rare surname, Spain, and Malaysia, where it is an extremely rare surname. In absolute terms, it is the most numerous in China, Spain, and Singapore. Much more prevalently, Чанвэй is the forename as well as the last name.