Padstow Heights, a suburb of local government area of the City of Canterbury-Bankstown, located 22 kilometres south-west of the Sydney central business district, in the state of New South Wales, Australia. It is a part of the South-western Sydney region. Padstow is a separate suburb to the north and One Tree Point is a locality within Padstow Heights.

Padstow Heights is a mostly residential suburb bounded on the east by Salt Pan Creek and to the south by the Georges River. The Alfords Point Bridge links Padstow Heights to Alfords Point in the Sutherland Shire.

U-Go Mobility bus route 927 from One Tree Point to Padstow railway station serves Padstow Heights.

The Padstow area was first named Padstow Park Estate after a town called Padstow in Cornwall, England. It was named for being the "holy place of St Petrock" (not to be confused with St Patrick), an important Cornish saint.

As per the 2021 Census, there were 3,594 people in Padstow Heights. 73.4% of people were born in Australia and 71.1% of people spoke only English at home. Other languages spoken at home included Greek 5.0% and Arabic 4.8%. The most common responses for religion were Catholic 28.7%, No Religion 20.6%, Anglican 14.2% and Eastern Orthodox 11.7%.

• Jason Clare – Member for Blaxland in the federal parliament is currently living in Padstow Heights.
• Roger Rogerson – former detective-sergeant of the New South Wales Police Force

33°58′23″S 151°2′6″E / 33.97306°S 151.03500°E / -33.97306; 151.03500