Benno Gut OSB (1 April 1897 – 8 December 1970) was a Benedictine monk of the Archabbey of Maria Einsiedeln, Switzerland, and a cardinal of the Roman Catholic Church.

Walter Gut was born in Reiden, Switzerland, entered the Order of Saint Benedict at the Archabbey of Maria Einsiedeln, made his monastic profession as a monk on 6 January 1918, and was given the name of "Benno".

Ordained to the priesthood on 10 July 1921, Gut finished his studies in 1923 and then did pastoral work at Einsiedeln Abbey until 1930.

[1] Gut taught at his alma mater of "Pontificio Sant'Anselmo" from 1930 to 1939, at which time he returned to Switzerland and became a professor at the Einsiedeln Abbey College.

Along with prefect of rites, Gut also assumed in 1968 the position of president of the consilium for liturgical reform, of which the Benedictine abbot was an advocate.