Marsiano wa Siracusa (Antiokia, leo nchini Uturuki; Siracusa, Sicilia, Italia) alikuwa askofu wa mji huo ambaye anahesabiwa kuwa wa kwanza. Tangu kale anaheshimiwa na Wakatoliki na Waorthodoksi kama mtakatifu, pengine mfiadini. Sikukuu yake huadhimishwa tarehe 30 Oktoba au 9 Februari. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko http://www.santiebeati.it/dettaglio/91454 Martyred bishop of Syracuse, Italy, called "the First Bischop of the West". Cfr. C. J. Stallman, The Past in Hagiographic Texts: S. Marcian of Syracuse, in G. W. Clarke, Reading the Past in Late Antiquity, Singapore 1990, pp. 347-365 e Hugo Buchthal, Art of the Mediterranean World: 100-1400 A. D., 1983, p. 61. Martyrologium Romanum