| Vasse Western Australia—Legislative Assembly | |||||||||||||||
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 Location of Vasse (dark green) in Western Australia | |||||||||||||||
| State | Western Australia | ||||||||||||||
| Dates current | 1950–present | ||||||||||||||
| MP | Libby Mettam | ||||||||||||||
| Party | Liberal | ||||||||||||||
| Namesake | Vasse River | ||||||||||||||
| Electors | 31,284 (2021) | ||||||||||||||
| Area | 2,643 km2 (1,020.5 sq mi) | ||||||||||||||
| Demographic | Provincial and rural | ||||||||||||||
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Vasse is an electoral district of the Legislative Assembly in Western Australia. Vasse is based in the South West region of the state, centred on the town of Busselton and is named for the Vasse River. It has been a safe seat for the Liberal Party at all times since its creation, including as its previous incarnation, Sussex.
The current MLA, Liberal Libby Mettam, won a by-election on 18 October 2014 following the resignation of former Liberal leader Troy Buswell.