Sahan () is a village in Karhal block of Mainpuri district, Uttar Pradesh, India. As of 2011, it had a population of 6,820, in 1,109 households.
Sahan is located about 16 km south of Mainpuri. It is just south of the Gangsi distributary canal.
At the turn of the 20th century, Sahan was described as having a population of 2,186 (as per the 1901 census), 10 hamlets, and a halqabandi school. It then hosted a fair every year in the middle of the month of Baisakh.
As of 2011, Sahan had a population of 6,820, in 1,109 households. This population was 53.8% male (3,667) and 46.2% female (3,153). The 0-6 age group numbered 1,030 (541 male and 489 female), or 15.1% of the total population. 815 residents were members of Scheduled Castes, or 12.0% of the total.
The 1961 census recorded Sahan as comprising 11 hamlets, with a total population of 3,016 people (1,557 male and 1,459 female), in 547 households and 447 physical houses. The area of the village was given as 4,375 acres and it had a post office at that point.
As of 2011, Sahan had 2 primary schools and 1 primary health centre. Drinking water was provided by hand pump and tube well; there were no public toilets. The village had a post office but no public library; there was at least some access to electricity for all purposes. Streets were made of both kachcha and pakka materials.