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.

Seaford is a beachside suburb in Melbourne, Victoria, Australia, 36 km south-east of Melbourne's Central Business District, located within the City of Frankston local government area. Seaford recorded a population of 17,215 at the 2021 census.