Family name Chastier (Chasten 
, Chastise , Chastier 
) , in all the world, is a rare last name. The cognomen Chastier is habitual in the United States, where it is a rare surname, France, where it is a very rare surname, and New Zealand. Not in comparison with a country's population, this name is the most popular in the United States, France, and Canada. Very seldom, Chastier is the forename as well as the last name.