Chekalin (Russian: Чека́лин), formerly known as Likhvin (Лихвин) until 1945, is a town in Suvorovsky District of Tula Oblast, Russia, located on the left bank of the Oka River.

[9] In 2010 it was the least populous inhabited locality in Russia with town status.

[3] For awhile, the smallest town in Russia was Innopolis with 96 inhabitants according to the 2016 Census, but since then has grown to a population of 3,955, [10] and Chekalin is back to being the smallest town in Russia, with a population of 935 according to the 2021 census.

[11] During World War II, Likhvin was under German occupation from 19 October 1941 until 26 December 1941.

[2] As a municipal division, Chekalin Town Under District Jurisdiction is incorporated within Suvorovsky Municipal District as Chekalin Urban Settlement.