Pater Karl Stadler (March 7, 1921 – June 17, 2012), born Paul Stadler, was a Swiss Benedictine monk and artist who lived and worked in the Engelberg Abbey in the Canton of Obwalden, Switzerland.
Pater Karl is best known for his works of art depicting biblical themes.
His paintings, murals, and stained glass windows are on view in churches, monasteries, and public sites across Switzerland.