Last name Калецки (Kalecki 
, Калецки) , worldwide, is a rare cognomen. The family name Калецки is habitual in Poland, where it is a rare surname, Georgia, where it is a very rare surname, and the United States, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Poland, the United States, and Germany. More prevalently, Калецки is the forename as well as the last name.