Sonbarsa is a village in Salon block of Rae Bareli district, Uttar Pradesh, India.

[2] It is located 36 km from Raebareli, the district headquarters.

[2] The 1961 census recorded Sonbarsa as comprising 3 hamlets, with a total population of 406 people (208 male and 198 female), in 125 households and 121 physical houses.

[4] The 1981 census recorded Sonbarsa (as "Sunbarsa") as having a population of 505 people, in 155 households, and having an area of 119.38 hectares.

[3] The main staple foods were given as wheat and rice.