IV Corps (Ottoman Empire)

IV Corps Dördüncü Kolordu
Active	1911–end World War I
Country	Ottoman Empire
Type	Corps
Garrison/HQ	Adrianople, Smyrna
Patron	Sultans of the Ottoman Empire
Engagements	Gallipoli Campaign (World War I)
Commanders
Notable commanders	Mirliva Pertev Pasha Miralay İsmet Bey (January 12-May 1, 1917) Mirliva Ali İhsan Pasha (October 1917-July 1918) Miralay Selâhattin Bey

The IV Corps of the Ottoman Empire (Turkish: 4 ncü Kolordu or Dördüncü Kolordu) was one of the corps of the Ottoman Army. It was formed in the early 20th century during Ottoman military reforms. It was disbanded at the end of World War I.

With further reorganizations of the Ottoman Army, to include the creation of corps level headquarters, by 1911 the IV Corps was headquartered in Adrianople. The Corps before the First Balkan War in 1911 was structured as such:

On October 17, 1912, the corps was structured as follows:

On October 29, 1912, the corps was structured as follows:

In August 1914, November 1914, the corps was structured as follows:

In Late April 1915, the corps was structured as follows:

In Late Summer 1915, January 1916, the corps was structured as follows:

In August 1916, the corps was structured as follows:

In December 1916, the corps was structured as follows:

In August 1917, the corps was structured as follows:

In January 1918, the corps was structured as follows:

In June 1918, the corps was structured as follows:

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