The Appenzell Wars (German: Appenzeller Kriege) are a series of conflicts that last from 1401 until 1429 in the Appenzell region of Switzerland.

The wars qre a successful uprising of cooperative groups, such as the farmers of Appenzell or the craftsmen of the city of St. Gallen, against the traditional medieval power structure represented by the House of Habsburg and the Prince-Abbot of the Abbey of St. Gall.