22 July] 1887 – 12 June 1937) was an Estonian Red Army commander (Komandarm 2nd rank) who was tried and executed during the Great Purge in 1937.

Kork became an officer of the Imperial Russian Army and graduated from the General Staff Academy.

He served as a staff officer during World War I and in February 1917 was at the Western Front headquarters.

During the Great Purge, Kork was arrested and shot as part of the Case of Trotskyist Anti-Soviet Military Organization.

Kork was born on 2 August 1887 in the village of Aardla in the Governorate of Livonia to a peasant family.

After graduating from four years of college in Tartu in 1905, Kork entered the Vilna Cadet School on 31 August.

Kork graduated on 15 June 1908 as a Podporuchik and served in the 98th Yuryevsky Infantry Regiment in Dvinsk.

He also served with the 20th Army Corps and the Office of the Quartermaster General on the Staff of the Western Front.

He worked at the Vseroglavshtab (All-Russian Main Staff) and from October headed the Operations section and the 9th Army's Operational-Surveillance Department.

In December, Kork became an advisor to the People's Commissariat for Military Affairs of the Bolshevik-sponsored Estonian Workers' Commune.

Mikhail Tukhachevsky repeatedly noted Kork's ability to manage troops in combat and Sergey Kamenev considered him the best of the Western Front army commanders.

[5] For actions in the Polish-Soviet War in July 1920 Kork was awarded a second Order of the Red Banner.

[6] Kork was awarded an Honorary Revolutionary Weapon on 30 December 1920 for the capture of Perekop and Yushunskaya positions and the occupation of Crimea.

Between 30 June and 4 October, 1922 Kork was the assistant commander of the Armed Forces of Ukraine and the Crimea.

From July to December 1923 Kork was the First Assistant Chief of the Air Fleet of the Soviet Union.

The confession stated that Avel Enukidze had involved him in a "rightist conspiracy" connected to Vitovt Putna and Vitaly Primakov's "Trotskyite group".

[8] At the secret trial on 11 June, known as the Case of Trotskyist Anti-Soviet Military Organization, Kork did not answer when asked if he had conducted spying.

She and other wives of executed military leaders were moved back to Moscow and subjected to torture and interrogation.