Lyndhurst is a small village in New South Wales, Australia in Blayney Shire. It is 4 kilometres west of Mandurama or about 269 km west of Sydney and 63 km south-west of Bathurst just off the Mid-Western Highway New South Wales. Once serving as the major centre for basic goods and needs to the nearby Junction Reefs goldfields. At the , Lyndhurst had a population of 359 people.
Lyndhurst was one of the ten areas (including Albury, Armidale, Bombala, Dalgety, Lake George, Orange, Tooma, Tumut and Canberra) shortlisted in 1908 as sites for the national capital.
Lyndhurst today boasts the still functioning Royal Hotel, a public school, a Golf Club, a combined service station/general store and a takeaway.
Lyndhurst has a number of heritage-listed sites, including: