Serpentine-Jarrahdale was an electoral district of the Legislative Assembly in the Australian state of Western Australia from 2005 to 2008.
Serpentine-Jarrahdale was based in the south-eastern corner of the Metropolitan Region Scheme and was a mix of outer suburban communities and rural hinterland.
In addition, the district also contained some of Perth's southern suburbs, stretching as far north as Atwell, Jandakot and Canning Vale.
Much of the district's territory went to the radically redrawn Darling Range, whilst its eastern sections were added to Southern River and formed part of new seats of Jandakot and Kwinana.
The district's representative for its sole term was Liberal MP Tony Simpson.