Grevillea monslacana, commonly known as Lake Mountain grevillea, is a shrub species which is endemic to mountainous areas of eastern Victoria in Australia. It grows to 2 metres in height. The species, which was first formally described in 2000, is listed as "Rare in Victoria" on the Victorian Department of Sustainability and Environment's Advisory List of Rare Or Threatened Plants In Victoria. It was previously known as the Lake Mountain form of Grevillea victoriae.