Marcello Bartolucci (born 9 April 1944) is an Italian prelate of the Catholic Church.
He received his doctorate in theology and a Diploma in Pastoral Theology, specializing in catechesis from the Pontifical Lateran University and a licentiate in canon law at the Pontifical University of Saint Thomas Aquinas, Angelicum in Rome.
After ten years of pastoral experience, first as curate and then as parish priest, with a number of positions within the diocese, and also as a teacher of religion in state schools in 1977, he joined the Congregation for the Causes of Saints, in the service of the Office of the Judicial Ministry.
For over twenty years he was in charge of drafting the decrees on the virtues, martyrdom and miracles, both in Italian and Latin for publication on "Acta Apostolicae Sedis".
He was also responsible for writing in the Italian Papal Bulls of canonisation and Briefs Apostolic beatification.