Koritnik (Albanian definite form: Koritniku) is a wooded, limestone mountain, located in northeastern Albania and southwest Kosovo between the cities of Kukës and Prizren.

The highest point of Koritnik massif, Maja e Pikëllimës reaches an elevation of 2,393 metres (7,851 ft) above the Adriatic.

Gryka e Vanavës (English: Vanave Gorge) separates the mountain from Gjallica.

The high pastures of the Koritnik mountain help sustain a population of around 60 chamois.

Koritnik is also part of the Korab-Koritnik Nature Park, forming the European Green Belt.