The patrons of Magliano Romano are Saint John the Baptist and Saint Pudentiana; the feast of the patron saints is held on the fourth Sunday of June; the feast day listed for the municipality is 24 June.
The calendar of feasts includes Saint Anthony the Abbot, on the third Sunday of January, with a bonfire in the square that lasts three days and the blessing of animals; the Sagra della pecora (sheep sagra), on the third Sunday of April, with the «Capanna del pecoraro» (shepherd's hut) set up in the square, where the making of ewe's-milk products can be watched; the Sagra del fungo galletto (chanterelle sagra), on the third Sunday of September; and the feast of Jesus of Nazareth, on the fourth Sunday of October, with the Sagra del Raspellone.
