The Division of McMillan was an Australian Electoral Division in the state of Victoria. It covered the western part of the Gippsland region. It included Drouin, Erica, Foster, Inverloch, Korumburra, Leongatha, Mirboo North, Moe, Neerim South, Newborough, Nyora, Pakenham, Trafalgar, Walhalla, Warragul, Wonthaggi, Yallourn North and Yarragon. It was the southernmost electoral division in continental Australia. It was replaced by the Division of Monash in 2019.