Bibra Lake is a suburb of Perth, Western Australia; it takes its name from the extensive freshwater lake within its boundaries, Bibra Lake. It is located within the City of Cockburn and its postcode is 6163.

The City of Cockburn is a local government area in the southern suburbs of the Western Australian capital city of Perth about 8 kilometres (5 mi) south of Fremantle and about 24 kilometres (15 mi) south of Perth's central business district. The City covers an area of 167.5 square kilometres (64.7 sq mi) and had a population of over 104,000 as at the 2016 Census.