Judith Hahn is a theologian and canonist. She is serving as Professor of Canon Law at the University of Bonn. She has been a Visiting Scholar at Thomas More Law School, Australian Catholic University, the Faculty of Theology and Religion, University of Oxford, and a Fellow at the Käte Hamburger Center for Advanced Study "Law as Culture", Bonn. She has published on the theory and sociology of canon law and on the status of religious law in modern society, including the books Church Law in Modernity (2019) and Foundations of a Sociology of Canon Law (2022).