Loureiro is a white wine grape cultivated in the northwest of the Iberian Peninsula.

This includes Galicia, Spain and Minho, Portugal.

In the latter, it is notably cultivated along the Lima River, a sub-region of Vinho Verde (wines produced in Minho).

[1] Its bud break is early-medium and its ripening period is medium-late.

[2] Loureiro is also known under the synonyms Branco Redondo, Branco Redondos, Dorado, Dourada, Dourado, False Pedro, Gallego Dourado, Loeireiro Blanco, Loureiro, Loureiro Blanco, Marques, Marquez, and Rutherglen Pedro.