Peta Jan Murphy was an Australian politician. She was a member of the House of Representatives from 2019 until her death in 2023, representing the Victorian seat of Dunkley for the Australian Labor Party (ALP).

The Division of Dunkley is an Australian electoral division in the state of Victoria. The division is located south-east of Melbourne on the Mornington Peninsula. It covers an area of approximately 152 square kilometres (59 sq mi) from Seaford in the north to Mount Eliza in the south and Langwarrin South in the southeast. Following the 2024 Dunkley by-election, Jodie Belyea currently represents the seat.