Said Abd al-Ahad Khan (26 March 1859 in Karmana – 3 January 1911) was the 7th emir of the Manghit dynasty, the last ruling dynasty of the Emirate of Bukhara, which at the time was a part of the Russian Empire. He ascended to the title aged 26 upon the death of his father, Muzaffar bin Nasrullah, on 12 November 1885. He married and his eldest son, Sayyid Mir Muhammad Alim Khan succeeded him after his death.