Byrock is a small village in north western New South Wales, Australia in Bourke Shire. In 2016, Byrock had a population of 50 people. It is named after a rock hole, called Bai by the tribe. This became the Bye Rockhole, then Bye Rock, then Byrock. Byrock is on the Mitchell Highway roughly halfway between Bourke to the north-west and Nyngan to the south-east.