Joaquim de Miró i Argenter was a Spanish painter.
Brother of the hero of the Cuban War of Independence, José Miró Argenter. Although generally self-taught, he was a disciple of the painter Arcadi Mas i Fondevila . In 1877 he helped Joan Soler i Casanovas in the decoration of the Prado de Sitges Casino . He participated in the Barcelona competitions in 1888, 1894 and 1896.