Surname קוצקי (Kotzky 
, קוצקי ) , in the entire world, is a very rare cognomen. The family name קוצקי is habitual in Israel, where it is a rare surname, France, where it is a very rare surname, and Australia. Not in comparison with a country's population, this name is the most popular in Israel, France, and Germany. Much less frequently, קוצקי is the forename as well as the last name.