The Lacaune (Languedocien: La Cauna) is a breed of domestic sheep originating near Lacaune in southern France. The native region of these sheep is the Tarn and Aveyron departments and surrounding areas. This region is collectively known as the "Roquefort Sector" which references the milk collection area.[1] The Lacaune is the most widely used dairying sheep breed in France, with a population of about 800,000 ewes. Notably, it is the predominant breed used in the production of Roquefort cheese in France.[2]