Shamator–Chessore is one of the 60 Legislative Assembly constituencies of Nagaland state in India.

[2] It is part of Shamator district and is reserved for candidates belonging to the Scheduled Tribes.

In the October 2021 by-election, Keoshu Yimchunger of the NDPP was unchallenged, and hence won the seat by default.

[4] The by-election was needed because of the death of the sitting member, Toshi Wungtung, on 1 July 2021.

[6][7]