The Shire of Central Illawarra, also known as Central Illawarra Shire was a local government area in New South Wales, Australia. Until 1934, it was the Municipality of Central Illawarra. From 1868 to 1934, it was the Borough of Central Illawarra. Before 1868, it was the Municipality of Central Illawarra, which was established in 1859. It covered the area from Unanderra to Macquarie Rivulet, and had its council chambers at Unanderra.