Haut-Languedoc Regional Nature Park (; ) is a regional natural park in the south of the Massif Central within the Aveyron, Hérault, and Tarn departments of France. These areas are considered the Haut-Languedoc, compared to the Bas-Languedoc.
Administered by the Federation of French Regional Nature Parks (), it was created on 22 October 1973. It has an area of 2,605 km<sup>2</sup>, with 82,000 people living within its boundaries.
The park (coordinates 43.52898, 2.6984) comprises a very diverse range of landscapes, which is why seven different areas have been officially defined within it:
The park provides a habitat for more than 240 species of birds, in a stunningly diverse range of climate and scenery. It also provides a home for mouflons, successfully reintroduced from Corsica.