Bagni, Biagio an Italian theologian who flourished about 1610 as canon regular of the Congregation of San Salvator, near Terracina, was general of that congregation, and wrote, Coeremonioe Observandoe a Recitantibus Officium Divinum et a Celebrantibus Missas Majores (Rome, 1610): — De Orationum Spiritualium Exercitio (ibid. 1613): — De Proecipuis S. R. Ecclesie Dignitatibus (Bologna, 1625-49), and other works. See Hoefer, Nouv. Biog. Generale, s.v.