Minho (Span mēn´yō, Port. mēn´yōō), Span. Miño, river, c.210 mi (340 km) long, rising in Galicia, NW Spain, and flowing generally SW to the Atlantic Ocean. The Sil is its chief tributary. The lower part of the Minho forms a section of the border between Spain and Portugal. Hydroelectricity is produced near Ourense, Spain.

Minho (mēn´yōō), historical province, NW Portugal, between the Minho and Douro rivers. Braga is the capital. This region was settled by the Celts, who left many hill forts, and by the Romans. Geological faults traverse the area. The irrigated landscape supports intensive agricultural activity. Corn and fruits are grown here. Timbering, fishing, and textile manufacturing are important in some localities.

Miño, river: see Minho.