Ermili na Stratoni (kwa Kigiriki: ῞Ερμυλος na Στρατόνικος, kwa Kiserbia: Свети мученици, Eрмил и Cтратонjк бэлгрaдски; walifariki Singidunum, leo Belgrade, nchini Serbia, 303) walikuwa Wakristo waliofia dini yao kwa kuzamishwa katika mto Danube. Ermili alikuwa shemasi. Tangu kale wanaheshimiwa na Kanisa Katoliki na Kanisa la Kiorthodoksi kama watakatifu wafiadini. Sikukuu yao huadhimishwa tarehe 13 Januari. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko Their life and martyrdom are found in three variants, the earlier probably released in the late sixth century (according to a study published in the introduction to their lives in Analecta Bollandiana, vol 30, pp. 156 ff., and in Bibliotheca Hagiographica Graeca, N. 744 - 745b). Anyway the five manuscripts of this version are, perhaps from the 10th century. Another biography, which is the current used in the Orthodox churches was processed by Simeon Metaphrastes in his Vitae Sanctorum in the 9th century in Constantinople. It is found in volume 114 of JP Migne's Patrologia Graeca, cols. 554-566.