Born into Brothels: Calcutta's Red Light Kids is a 2004 Indian-American documentary film about the children of prostitutes in Sonagachi, Kolkata's red light district. The widely acclaimed film, written and directed by Zana Briski and Ross Kauffman, won a string of accolades including the Academy Award for Best Documentary Feature in 2005.

Sonagachi is a neighbourhood in Kolkata, India, located in North Kolkata near the intersection of Jatindra Mohan Avenue with Beadon Street and Sovabazar, about one kilometer north of the Marble Palace area. Sonagachi is among the largest red-light districts in Asia and the world with several hundred multi-storey brothels residing more than 16,000 commercial sex workers.