The Monchino () or Monchinu ( Cantabrian: on'ʧinu is a breed of horse indigenous to the Valle de Guriezo in the
Cantabria
Cantabria (, also , , Cantabrian: ) is an autonomous community in northern Spain with Santander as its capital city. It is called a ''comunidad histórica'', a historic community, in its current Statute of Autonomy. It is bordered on the ea ...
region of northern Spain, and also extending into neighbouring
Biscay
Biscay (; eu, Bizkaia ; es, Vizcaya ) is a province of Spain and a historical territory of the Basque Country, heir of the ancient Lordship of Biscay, lying on the south shore of the eponymous bay. The capital and largest city is Bilbao.
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province. It is listed in the Official Catalogue of Livestock Breeds of Spain (''Catálogo Oficial de Razas de Ganado de España'') in the group of autochthonous breeds in danger of extinction.
The word ''monchinu'' means highlander, from the mountains, in Cantabrian.