Darlington is a small, inner-city suburb of Sydney, New South Wales, Australia. Darlington is located about three kilometres south of the Sydney central business district and is part of the local government area of the City of Sydney. At the time of its incorporation in 1864, it had the distinction of being the smallest municipality in the Sydney metropolitan area, at a mere 44 acres. Darlington is bordered by City Road, Cleveland Street, Golden Grove Street, Wilson Street and Abercrombie Street.

Darlington is served by buses on the City Road and Cleveland Street routes and the railway stations at Redfern and nearby Macdonaldtown.