Willigis Jäger (7 March 1925 – 20 March 2020) was a German Benedictine monk, mystic, and Zen master. He was trained and taught in the Sanbo Kyodan tradition. He was born in Hösbach, Germany. From 1960, he was responsible for the topics mission and development at in Bund der Deutschen katholischen Jugend youth association.
In 1980, he began teaching Zen. He taught in the Sanbo Kyodan tradition (being given the Japanese name Koun-ken). He founded a centre of Zen and Contemplation at the Münsterschwarzach Abbey in 1983.
Jäger died in Holzkirchen on 20 March 2020, aged 95.[1]