Byrock is a small village in north western New South Wales, Australia in Bourke Shire. In 2006, Byrock had a population of 90 people.
It is named after a rock hole, called Bai by the Nyammba tribe. This became the Bye Rockhole, then Bye Rock, then Byrock.
Byrock is on the Mitchell Highway roughly halfway between Bourke to north-west and Nyngan to the south-east.