Cognomen Weisang (Weisang 
) , worldwide, is a rare family name. The last name Weisang is habitual in Western Europe, particularly Austria, where it is a rare surname, Germany, and Switzerland, where it is a very rare surname. Measured by absolute frequency, the name is most common in Western Europe, particularly Germany, Austria, and France. Much less frequently, Weisang is the forename as well as the last name.