Lilyfield is a suburb in the Inner West of Sydney, in the state of New South Wales, Australia. Lilyfield is located 6 kilometres west of the Sydney central business district, in the local government area of the Inner West Council.

At the 2021 census the population of Lilyfield was 7,641.

Lilyfield is served by the Inner West Light Rail, with a stop on Catherine Street. The station, situated on a former goods railway line, opened in 2000. The stop was the western terminus of the light rail until 2014, when the line was extended along the route of the former goods line to Dulwich Hill. Lilyfield was also the terminus of a tram line in the original Sydney tram system.