The 1st Don Cossack Division was a Don Cossack cavalry division of the Russian Imperial Army.

It was part of the 19th Army Corps in the Warsaw Military District.

October] 1917, Pyotr Krasnov led regiments of the 1st Don Cossack Division towards Petrograd to stop the Bolshevik seizure of power from the Russian Provisional Government, but the attempt fell apart.

[2] The division included the following.

[3] January 1917: 5  • 6  • 2nd Caucasus