Cognomen Kaschten (Coster 
, Kaschten 
) , all over the world, is a common family name. The family name Kaschten is habitual in Belgium, where it is quite a common surname, Malta, where it is quite a rare surname, and Fiji. Measured by absolute frequency, it most frequently occurs in Belgium, the United States, and the United Kingdom. Very seldom, Kaschten is the forename as well as the last name.