The Cathedral of the Blessed Virgin Mary is a Church of England cathedral in the city of Truro, Cornwall. It was built between 1880 and 1910 to a Gothic Revival design by John Loughborough Pearson on the site of the parish church of St Mary.

Construction began in 1880 to a design by the leading Gothic Revival architect John Loughborough Pearson. Truro was the first Anglican cathedral to be built on a new site in England since Salisbury Cathedral in 1220. It was built on the site of the 16th-century parish church of St Mary the Virgin, a building in thPerpendicular style with a spire 128 feet (39 m) tall.