Grávalos is a village and municipality in the province and autonomous community of La Rioja, in northern Spain. It lies about 72 kilometres from Logroño, the regional capital. The municipality covers an area of 31.91 square kilometres and had a population of 234 people as of 2011.
According to traditional tales, Grávalos was linked to Arnedo. It is said to have originated as a Roman villa, and during the medieval period it belonged to Arnedo until 1669. In that year Grávalos became an independent municipality, though it remained a possession of the Church of Arnedo.