Globally, Сиска (Siska 
, Ziska , Сиска 
) is a common predominantly girly, but scarcely boy's first name. The given name Сиска is habitual in Indonesia, where it is quite a common primarily feminine, but scarcely boy's name, Taiwan, where it is quite a rare girly name, and Belgium. Measured by absolute frequency, it is the most numerous in Indonesia, India, and Taiwan. Very seldom, Сиска is the last name as well as the forename.