İzzettin Çalışlar

{{Short description|Turkish Army general}}

{{Infobox military person

| name = İzzettin Çalışlar
1319-Top. 13T.C. Genelkurmay Harp Tarihi Başkanlığı Yayınları, Türk İstiklâl Harbine Katılan Tümen ve Daha Üst Kademelerdeki Komutanların Biyografileri, Genkurmay Başkanlığı Basımevi, Ankara, 1972, p. 192. {{in lang|tr}}

| birth_date = {{Birth-date|1882}}

| death_date = {{Death date and age|1951|08|20|1882|df=y}}

| birth_place = Yanya (Ioannina), Janina Vilayet, Ottoman Empire (modern Greece)

| death_place = Istanbul, Turkey

| placeofburial = Edirnekapı Şehitliği
State Cemetery

| placeofburial_label =

| image = İzzettin (Çalışlar) Paşa during the Turkish War of Independence.jpg

| caption = İzzettin Çalışlar during the Turkish War of Independence

| nickname =

| allegiance = {{flag|Ottoman Empire}}
{{flag|Turkey}}

| branch =

| serviceyears = Ottoman: 1903–1920
Turkey: 1 July 1920 – 20 December 1939

| rank = General

| commands = Chief of Staff of Edirne Kalesi Command, Chief of Staff of the 19th Division, Chief of Staff of the XVI Corps, Chief of Staff of the Anafartalar Group, Chief of Staff of the Second Army, 4th division of the General headquarters
XX Corps (deputy), 23rd Division, 61st Division, 1st Group, I Corps, Military Governor of the İzmir Province, Third Army, Second Army

| unit =

| battles = Balkan Wars
First World War
Turkish War of Independence

| awards =

| laterwork = Member of the GNAT (Aydın)
Member of the GNAT (Muğla)
Member of the GNAT (Balıkesir)

}}

İzzettin Çalışlar (1882 – 20 August 1951) was an officer of the Ottoman Army and a general of the Turkish Army. He is known for his achievements in the Gallipoli campaign of World War I. He later joined the forces of Mustafa Kemal and fought in the Turkish War of Independence. He also served as a politician and was a prominent member of the Kemalist movement.