Duffy (postcode: 2611) is a suburb of Canberra, Australian Capital Territory, Australia, located in the district of Weston Creek.

[2] The Canberra bushfires of 2003 destroyed about 200 Duffy homes and the local petrol station.

Narrabundah Hill, which borders the western edge of Duffy, is managed by ACT Forests and had contained a mature pine plantation before the fires.

Upgrade works included: a new playground, nature play elements, two new shade sails and rubber softfall, bike track, new toilet, outdoor furniture including an undercover picnic table and bench seating, accessible paths of travel, including a new ramped path to improve access from Burrinjuck Crescent to the local shops, better landscaping including native and deciduous trees, and 60 shrubs, increased amenity with new bins and a bike rack.

[5] Rhyodacite from the Deakin Volcanics coloured red-purple, purple or green grey underlie the suburb of Duffy.