Sima Samar (Persian: سیما سمر‎‎) (born 3 February 1957) is a well known woman’s and human rights advocate, activist and a social worker within national and international forums, who served as Minister of Women's Affairs of Afghanistan from December 2001 to 2003. She is currently the Chairperson of the Afghan Independent Human Rights Commission (AIHRC) and, since 2005, United Nations Special Rapporteur on the situation of human rights in Sudan.