Last name Ваес (Vaes 
, Ваес 
) , around the world, is quite a rare surname. The last name Ваес is habitual in Belgium, where it is quite a common surname, Netherlands, where it is quite a rare surname, and the Dominican Republic, where it is a rare surname. Measured by absolute frequency, the name is most common in Belgium, Netherlands, and Brazil. Very seldom, Ваес is the forename as well as the last name.