Rebekah Uqi Williams (born March 3, 1950) is a Canadian politician who served as the acting commissioner of Nunavut from June 22, 2020, when Nellie Kusugak's term ended, until January 14, 2021, when Eva Aariak took office. She has been the Deputy Commissioner of Nunavut since December 20, 2019. She also served as a former territorial level politician from Arctic Bay, Northwest Territories, now part of Nunavut. Williams previously served as a member of the Legislative Assembly of Nunavut from 2000 until 2004.