Ahmed Abdallah Mohamed Sambi (, born 5 June 1958) is a Comorian Islamic leader and politician, and former President of Comoros. He is popularly known as 'Ayatollah'. After easily winning the 14 May 2006 presidential election with 58.02% of the national vote, Sambi was inaugurated as President of the Union of the Comoros on 26 May 2006. It was the first peaceful transfer of power in the history of the Comoros.