Annibale Bugnini (April 4, 1912, Verbania, Italy – May 6, 1982) was a renowned Italian Catholic bishop and liturgist. As a key figure in the reform of the Roman Catholic liturgy following the Second Vatican Council, he dedicated his life to studying and shaping the Church’s rites and worship practices. Bugnini’s work significantly influenced the modernization of liturgical ceremonies in the 20th century, making him an influential figure in contemporary Catholicism.