Kalkans, Kolkans, Kalki, Kolki, Kalkan people — ethnonym of the Ingush used in Russian sources of the 16th-17th centuries.
The ethnonym corresponds to the self-name of the Ingush - Ghalghaï.
[1][2] Kalkans are first mentioned in the second half of the 16th century in numerous reports of attacks done on Russian ambassador armies in Darial Gorge by Kalkans.
[3][4][2] The earliest mention of Kalkans can be found in 1590 article list of knyaz of Zvenigorod and diak of Torkh, when the Kolkans attacked Russian ambassador army.
[5][3][1]