Columba Marmion, OSB, born Joseph Aloysius Marmion (April 1, 1858 – January 30, 1923) was a Roman Catholic Benedictine Irish monk and the third Abbot of Maredsous Abbey in Belgium.
Beatified by Pope John Paul II on September 3, 2000, Columba was one of the most popular and influential Catholic authors of the 20th Century.