Cognomen צ'יקי (Txiki 
, Csiky 
, צ'יקי) , in the entire world, is a rare family name. The cognomen צ'יקי is characteristic of Hungary, where it is quite a rare surname, Romania, and Austria, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Hungary, Romania, and Germany. Very seldom, צ'יקי is the forename as well as the last name.