Cecil Park is a suburb of Sydney, in the state of New South Wales, Australia 40 kilometres west of the Sydney central business district, in the local government area of the City of Fairfield. It is part of the Greater Western Sydney region.

At the 2016 census, there were 771 residents in Cecil Park. 65.1% of people were born in Australia. The most common other countries of birth were Italy 7.5%, Malta 2.8%, Iran 2.0%, Fiji 1.9% and Lebanon 1.6%. In Cecil Park 54.6% of people only spoke English at home. Other languages spoken at home included Italian 12.4%, Croatian 3.3%, Serbian 2.9%, Maltese 2.2% and Spanish 2.2%.