Gerald Glynn O'Collins AC SJ is an Australian Jesuit priest, author, academic and educator.
He is currently a research professor and writer-in-residence at the Jesuit Theological College (JTC) in Parkville, Victoria, and a research professor in theology at St Mary's University College in Twickenham.
For more than three decades, he was professor of systematic and fundamental theology at the Pontifical Gregorian University (Rome).In 2006, O'Collins was made a Companion of the General Division of the Order of Australia (AC), in recognition of his outstanding commitment to theological scholarship and ecumenical initiatives.