Mount Keira /ˈkɪərə/ is a suburb and mountain in the Illawarra region of New South Wales, Australia.
The suburb, a semi-rural township of Wollongong, located on the mountain's summit and southern flank, gets its name from the mountain, located on the Illawarra escarpment, is derived from an Aboriginal word, keira, meaning "large lagoon or high mountain." The aborigines called it Djera, meaning wild turkey. The first maps of the area called it Keera, later adding the i.
The summit of Mount Keira has an elevation of 464 metres (1,522 ft) above sea level that is located 4 kilometres (2.5 mi) northwest of the city of Wollongong. Its distinctive shape and proximity to Wollongong make it a major local landmark. It is noted for the views of the city from the popular summit lookout and its history of coal mining. It was formed as part of the Illawarra escarpment fold between 80 and 60 million years ago and the erosion by creeks that ensued.