Leo I of Cava (Italian: San Leone I Abate; ?

–1079) was an Italian abbot and is remembered as the second abbot of the Abbey of La Trinità della Cava, located at Cava de' Tirreni.

He is revered as a saint by the Catholic Church.

The first four abbots of Cava were officially recognized as saints on December 21, 1893, by Pope Leo XIII.

[1] The first four abbots are Alferius; Leo I (1050–79); Peter of Pappacarbone (1079–1122); and Constabilis (1122 - 1124).