Nikolai Mikhailovich Dimidyuk (Russian: Николай Михайлович Димидюк; 18 January 1937 – 29 March 2020) was an officer of the Soviet Armed Forces.

Dimidyuk was born on 18 January 1937 in the city of Aleysk, in Altai Krai, then part of the Russian SFSR, USSR.

[2] Following his enlistment in the armed forces, Dimidyuk rose through the ranks, and was assigned to command an artillery division.

[3] During his time in this post, he oversaw training and exercises, and the testing and introduction of the OTR-23 Oka missile system.

[3] From 1982 until 1986 Dimidyuk served as chief of staff of the Missile Troops and Artillery of the Far Eastern Military District.

[3] During this period he also studied as an external student at the Military Academy of the General Staff of the Armed Forces, graduating in 1986.

[1][4][5] During this time he oversaw significant reform and restructuring of his branch, as the Russian armed forces were reconstituted along new lines.