Commonwealth Electoral Division of: Werriwa (New South Wales)
- Division name: Werriwa
- State: New South Wales
- Name derivation: Named after the Aboriginal name for Lake George, which was located in the division in 1901.
- Size & Location description: Werriwa covers an area of approximately 159 sq km from Austral, West Hoxton, Prestons, Lurnea and parts of Liverpool in the north, to Claymore and Minto Heights in the south, bounded by the Georges River to the east and generally by the Sydney Water Supply Channel, Raby Road, Rileys Creek, Anthony Road, Barry Avenue and Allenby Road to the west. The main suburbs include Austral, Bardia, Bow Bowing, Casula, Claymore, Denham Court, Edmondson Park, Eschol Park, Glenfield, Horningsea Park, Hoxton Park, Ingleburn, Leppington, Lurnea, Macquarie Fields, Minto, Minto Heights, Prestons, Raby, St Andrews, Varroville, and parts of Liverpool, Leumeah and West Hoxton.
- Products/industries of the area: The main industries are light manufacturing.
- First proclaimed/election: 1900/1901