The Division of La Trobe is an Australian Electoral Division in the state of Victoria. It is a semi-urban electorate extending from the outer south-eastern suburbs of Melbourne to the westernmost areas of Gippsland. It fully incorporates the suburbs of Beaconsfield, Officer and Pakenham, the majority of Clyde North and Harkaway, and eastern portions of Berwick. The division also covers towns beyond the metropolitan area such as Beaconsfield Upper, Bunyip, Cockatoo, Emerald, Garfield, Gembrook, Koo Wee Rup, Lang Lang, Nar Nar Goon and Pakenham Upper.

Pakenham is a suburb of Melbourne in Victoria, Australia, 53 km (33 mi) south-east of Melbourne's Central Business District and the most populous in the Shire of Cardinia. Pakenham recorded a population of 54,118 at the 2021 census.