Livio Melina (born in Adria, Italy, on August 18, 1952) is a priest of the Catholic Church and an Italian theologian. Currently Melina is a tenured Professor of Moral Theology at the Pontifical John Paul II Institute for Studies on Marriage and Family, where he served as a President from 2006 till 2016.
Livio Melina was born in Adria in 1952. Since high school, he has been a member of the ecclesial Communion and Liberation movement and was one of its initiators in Veneto.
Melina completed a degree in philosophy at the University of Padua in 1975, and then entered the seminary of the diocese of Adria. He was ordained a priest on June 21, 1980.
In 1982 he obtained a Licentiate in Moral Theology (STL) from the Pontifical Gregorian University in Rome, and in October 1985 a Doctorate in Theology (STD) from the Pontifical Lateran University with the dissertation Ratio practica, scientia moralis e prudentia. Linee di riflessione sul Commento di San Tommaso all'Etica Nicomachea written under the direction of Professor Carlo Caffarra.
From October 1984 to October 1991 he worked as an assistant of studies at the Doctrinal Session of the Congregation for the Doctrine of the Faith, under the direction of then Card. Joseph Ratzinger.
In 1991 he became a tenured professor of Fundamental Moral Theology at the Pontifical John Paul II Institute for Studies on Marriage and Family. In 1997 he started The International Research Group on Moral Theology (Area Internazionale di Ricerca in Teologia Morale) and has been directing it since then. In 2002 he became Vice President of the Central Session of the Institute. In 2006 Benedict XVI nominated Melina as President of the Pontifical John Paul II Institute for Studies on Marriage and Family, where he is also a tenured Professor of moral theology, and in 2010 renewed the nomination.