Ahmet Tevfik Pasha (‎; 11 February 1845 – 8 October 1936), known as Ahmet Tevfik Okday after the Turkish Surname Law of 1934, was an Ottoman statesman of ethnic Crimean Tatar origin. He was the last Grand Vizier of the Ottoman Empire. He held the office three times, the first in 1909 under Sultan Abdul Hamid II, and from 1918 to 1919 and from 1920 to 1922 under Mehmed VI during the Allied occupation of Istanbul. In addition to his premiership, Ahmet Tevfik was also a diplomat, a member of the Ottoman Senate, and the Minister of Foreign Affairs.