Adnan Menderes (; 1899 – 17 September 1961) or Ali Adnan Ertekin Menderes was the Turkish Prime Minister between 1950–1960. He was one of the founders of the Democrat Party (DP) in 1946, the fourth legal opposition party of Turkey. He was hanged by the military junta after the 1960 coup d'état, along with two other cabinet members, Fatin Rüstü Zorlu and Hasan Polatkan. He was the last Turkish political leader to be executed after a military coup and is also one of the three political leaders of the Turkish Republic (along with Atatürk and Turgut Özal) to have a mausoleum built in his honor.