Chiswick is a suburb in the Inner West of Sydney, in the state of New South Wales, Australia. It is located 9 kilometres west of the Sydney central business district in the local government area of the City of Canada Bay. Chiswick sits on the peninsula between Abbotsford Bay and Five Dock Bay, on the Parramatta River. It is surrounded by the suburbs of Abbotsford, Russell Lea and Drummoyne.

According to the 2011 census, there were 2,470 residents in Chiswick. The most common responses for ancestry in Chiswick were English 19.5%, Australian 16.3%, Italian 12.5%, Irish 8.7% and Chinese 6.8%. The median weekly household income in Chiswick was $2,068, significantly higher than the national median of $1,234.