The Talbragar fossil site is a paleontological site of Jurassic age in the central west of New South Wales, Australia. It lies about 30 km north-east of the town of Gulgong, and 300 km-north-west of Sydney. The site has been known for over a century during which it has been extensively excavated to the point of near exhaustion. It is now registered as a Crown Land Reserve for the preservation of fossils; access is by permit, and the collection of rocks and fossil specimens is prohibited. The 4 ha reserve is listed on the Australian Register of the National Estate.