The Museum of history of Don Cossacks (Russian: Музей истории Донского казачества, Muzyey istorii Donskogo kazachestva) is a museum of art, culture and history of Don Cossacks in Novocherkassk, Rostov oblast, Russia.

The collections occupy a complex of four historic buildings in Novocherkassk: the main building on Atamanskaya street, Memorial House-Museum of painter Ivan Krylov, Memorial House-Museum of painter Mitrofan Grekov and the Ataman palace.

[4] The main building is occupied by the collections of awards and appointed weapons, arm blanches and firearms.

Also this exhibition include: Hetman regalia, military and regimental banners from the 18th-19th centuries, Cossacks military and domestic costume from the 19th-early 20th centuries, letters patents, different documents of the Don administration and organizational office.

[5] Russian battle painter Mitrofan Grekov spent in Novocherkassk 14 years of his life.

The opening ceremony of Memorial House-Museum took place on 30 June 1956 23 years after death of Mitrofan Grekov.

The house-museum consists of a wing, small orchard with parterre and the main building where painter was living.

Today, the restored palace forms part of a complex of buildings housing the Museum of history of Don Cossacks.