Mustafa Ismet Inönü (1884 - December 25, 1973) was a Turkish soldier, statesman and the second President of Turkey.

He was born in Izmir, to a Kurdish family. Inönü graduated from the Military Academy in 1903 and received his first military assignment in the Ottoman army. He won his first military victories by suppressing two major revolts against the struggling Ottoman Empire, first in Roumelia and second in Yemen. During World War I, he fought on the eastern front in Syria, then he was appointed as the commander of the western fronts. He was promoted to brigadier general after the "Battles of Inönü ", in which he successfully defended the central Anatolian territory against the Greek Army.

He made a career change by being chosen as the chief of the Turkish team in the Lausanne Negotiations . After the death of Atatürk his was the only name to replace him and he was elected as the second President of the Republic of Turkey. Previously, Inönü had been Prime Minister of Turkey for several terms maintaining the system Atatürk had put in place. In 1950 his party lost the general election and presided over the peaceful transfer of power to the Democratic Party. Inönü served for ten years as leader of the opposition before returning to power after the coup of 1960 .

His son, Erdal Inönü, is a former leader of the Republican People's Party and deputy prime minister of Turkey.

|- style="text-align: center;" | width="30%" |Preceded by:
Rauf Orbay
Ali Fethi Okyar
Emin Fahrettin Özdilek | width="40%" style="text-align: center;" |Prime Minister of Turkey
1923–1924
1925–1937
1961–1965 | width="30%" |Succeeded by:
Ali Fethi Okyar
Celal Bayar
Suad Hayri Ürgüplü