The Emirate of Sicily or Fatimid Sicily was an Islamic kingdom that ruled the Muslim territories on the island of Sicily between 831 and 1091. Its capital was Palermo, which, during this period, became a major cultural and political center of the Muslim world.

An emirate is a territory ruled by an emir, a title used by monarchs or high officeholders in the Muslim world. From a historical point of view, an emirate is a political-religious unit smaller than a caliphate. It can be considered equivalent to a principality in non-Muslim contexts.