Family name קסטר (Caster 
, Custer 
, קסטר 
) , throughout the world, is a common last name. The last name קסטר is characteristic of Aruba, where it is quite a common surname, the United States, where it is quite a rare surname, and Belgium. Not in comparison with a country's population, it is the most numerous in the United States, Indonesia, and Canada. Very seldom, קסטר is the forename as well as the last name.