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| Corps commander командир корпуса | |
|---|---|
 Coat-collar insignia | |
| Country |  Soviet Union |
| Service branch | Red Army |
| Abbreviation | Komkor |
| Formation | 1935 |
| Abolished | 1940 |
| Next higher rank | Komandarm 2nd rank |
| Next lower rank | Komdiv |
| Equivalent ranks | Flagman 1-go ranga |
Komkor (Russian: комкор) is the syllabic abbreviation for corps commander (Russian: командир корпуса, romanized: komandir korpusa; lit. 'commander of the corps / corps commander'). It was a military rank in the Red Army and Red Army Air Force of the Union of Soviet Socialist Republics in the period from 1935 to 1940. It was also the designation for officers appointed to command a corps sized formation.
Until 1940 it was the fourth highest military rank of the Red Army. It was equivalent to corps commissar (ru: корпусной комиссар) of the political staff in all military branches, flag officer 1st rank (ru: флагман 1-го ранга) in the Soviet navy, or to commissar of state security 3rd rank (ru: комиссар государственной безопасности 3-го ранга). With the reintroduction of regular general ranks in 1940, the designation komkor was abolished, and replaced by colonel general.