Lamkan is a village in Sandi block of Hardoi district, Uttar Pradesh, India.

[3] It is connected to state and national highways and has a sub post office and two primary schools but no healthcare facilities.

[2] The 1961 census recorded Lamkan as comprising 4 hamlets, with a total population of 1,277 (692 male and 585 female), in 244 households and 181 physical houses.

[4] At the time, it had a medical practitioner and a post office and was connected to major roads.

[4] The 1981 census recorded Lamkan as having a population of 2,070, in 333 households, and covering an area of 848.80 hectares.