Cognomen צ'קי (Cecchi 
, צ'קי 
, Tchéky) , in the world, is a common surname. The cognomen צ'קי is habitual in Italy, where it is quite a common surname, Argentina, where it is quite a rare surname, and Belgium. In absolute terms, it is commonest in Italy, Argentina, and France. Much less frequently, צ'קי is the forename as well as the last name.