Llanarth is a locality in the Bathurst Region of New South Wales, Australia, approximately 3 kilometres (1.9 mi) from Bathurst.

It was named after the historic Llanarth property, established in 1858 by the Smith family after their previous home of Llanarth in Cornwall.

[2] It had a population of 2,198 people as of the 2016 census.

[1] The area has been subject to large-scale residential development in recent years.

Llanarth has a number of heritage-listed sites, including: