Kachak

thumb|Kosovo Albanian rebels controlling a road in [[Kosovo, 1920s]]

Kachaks (, / kačaci) is a term used for the Albanian rebels active in the late 19th and early 20th century in northern Albania, Montenegro, Kosovo and Macedonia, and later as a term for the militias of Albanian revolutionary organizations against the Kingdom of Serbia (1910–18) Kingdom of Yugoslavia (1918–24), called the "Kachak Movement".