Mios (; ) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.
Its inhabitants are called Miossais in French.
The Saint Brice chapel has a bell dating from 1700 classed as a monument historique by the French Ministry of Culture in 1942.
The Romanesque St Martin church, enlarged in the 19th century, has a Gothic choir and chapels, and remnants of 16th century stained glass.