Ruth Halperin-Kaddari (born 15 May 1966; Hebrew: רות הלפרין-קדרי) is an Israeli legal scholar and international women's rights advocate who is known for her work on family law, feminist legal theory, women's rights in international law, and women and religion. She was a member of the United Nations Committee on the Elimination of Discrimination against Women from 2006 to 2018, and was the committee's vice chair during several terms. She is Professor of Law at the Bar-Ilan University and is the founding Academic Director of the Ruth and Emanuel Rackman Center for the Advancement of the Status of Women. She is also involved in international academic collaborations on the theme of women, state, and religion, and participates in international litigations as an expert on Israeli family law.