Cognomen בלאנק (Blanke 
, בלאנק 
) , in the world, is quite a common surname. The surname בלאנק is habitual in Western Europe, particularly Germany, where it is quite a rare surname, Netherlands, and Switzerland. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Brazil. Very seldom, בלאנק is the forename as well as the last name.