Magliano Sabina is a comune in the Province of Rieti in the Italian region Latium, located about 50 kilometres north of Rome and about 30 kilometres west of Rieti. As of 31 December 2004, it had a population of 3,829 and an area of 43.7 square kilometres.
Magliano Sabina borders the following municipalities: Calvi dell'Umbria, Civita Castellana, Collevecchio, Gallese, Montebuono, Orte, Otricoli.
The Sabina Cathedral is also known as the Concattedrale di San Liberatore Vescovo e Martire.