Bardwell Park is a suburb in southern Sydney, in the state of New South Wales, Australia. The suburb is located 12 kilometres south-west of the Sydney central business district and is part of the St George area. Bardwell Park is in the local government area of the Bayside Council. Bardwell Valley is a separate suburb, to the east.

According to the 2016 census of Population, there were 2,242 residents in Bardwell Park; 69% of whom were born in Australia. The most common other countries of birth were China 7.8% and Greece 5.4%. The most common reported ancestries in Bardwell Park were Greek 18.0%, English 14.1%, Australian 12.3%, Chinese 10.2% and Italian 5.5%. 48.7% of people only spoke English at home. Other languages spoken at home included Greek 18.5% and Mandarin 6.5%. The most common responses for religious affiliation were Catholic 25.5%, Eastern Orthodox 24.2%, No Religion 19.9% and Anglican 7.4%.

Bardwell Park railway station is on the T8 Airport & South Line of the Sydney Trains network. Bardwell Park is also serviced by 2 bus services, including Transit Systems route 473 from Campsie to Rockdale and route 491 from Five Dock to Hurstville.