Alexander Ignatyevich Sedyakin (26 November 1893 – 29 July 1938) was a Soviet division commander and Komandarm 2nd rank.

After staying briefly in Krasnoyarsk, Sedyakin worked as a surveyor in Tobolsk Governorate, in modern-day Tyumen Oblast.

He was made vice chairman of the soldiers' committee for the 38th Infantry Division in May 1917 and formally joined the Bolsheviks in August 1917.

[2][3] In March 1918, Sedyakin formally joined the Red Army alongside soldiers he had formerly commanded.

On 6 August 1918 Sedyakin was on Eastern Front battling the forces of Alexander Kolchak.

On 12 November 1919 he moved his forces against those of Pyotr Nikolayevich Wrangel until he was incapacitated by injury.

From October 1920 to February 1921, Sedyakin was commander of the 10th Reserve Rifle Brigade.