Monte Chiadenis (Friulian: Cjadenis) is a peak in the Carnic Alps, northern Italy, located between the comuni of Sappada and Forni Avoltri. It has an altitude of .
During World War I (1915–1917) it was the site of fierce fighting between Italian alpini and Austrian Kaiserjäger.
In Friulian language cjadenis means "chains".
See also War of the Mountains 1915–1918