The Basco-Béarnaise or Vasca Carranzana is a breed of domestic sheep originating in the Basque country.

It was developed from Basque and Béarnaise sheep during the 1960s to be a single-purpose milk breed.

[1] It derives from a family of sheep breeds from the Pyrénées with falling wool.

[2] The mature rams weigh 80 kg (180 lb) and grow to 90 cm (35 in) at the withers on average.

[2] It is a dairy breed, which issued from the AOC Ossau-Iraty, derived from the ewes of the Pyrénées.