Electoral district of Cottesloe
| Cottesloe Western Australia—Legislative Assembly | |||||||||||||||
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Interactive map of electoral district boundaries from the 2025 state election | |||||||||||||||
| State | Western Australia | ||||||||||||||
| Dates current | 1950–present | ||||||||||||||
| MP | Sandra Brewer | ||||||||||||||
| Party | Liberal | ||||||||||||||
| Namesake | Cottesloe | ||||||||||||||
| Electors | 33,150 (2025) | ||||||||||||||
| Area | 33 km2 (12.7 sq mi) | ||||||||||||||
| Demographic | Metropolitan | ||||||||||||||
| Coordinates | 32°00′S 115°46′E / 32.00°S 115.77°E | ||||||||||||||
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Cottesloe is a Legislative Assembly electorate in the state of Western Australia. Cottesloe is named for the western Perth suburb of Cottesloe, which falls within its borders. A previous member, Colin Barnett, was the 29th premier of Western Australia. The current member, Sandra Brewer, was elected in the 2025 state election.