Justin (Flavia Neapolis, leo Nablus, Palestina, 103 hivi - Roma, Italia, kati ya 162 na 168) alikuwa mwanafalsafa ambaye, kisha kuongoka, alieneza na kutetea Ukristo hata kwa maandishi maarufu, na hatimaye akauawa pamoja na wanafunzi wake sita (Karitoni, Karito na wenzao Evelpisto, Gerasi, Peoni na Liberiani) katika dhuluma ya Dola la Roma. Hati za mateso yao zimetunzwa hadi leo. Anaheshimiwa na Kanisa Katoliki, Waorthodoksi, Waorthodoksi wa Mashariki, Walutheri na Waanglikana kama mtakatifu mfiadini. Sikukuu yake huadhimishwa tarehe 1 Juni. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko Mababu wa Kanisa Opera Omnia katika Patrologia Graeca iliyotolewa na Migne pamoja na faharasa First Apology Second Apology Dialogue with Trypho Greek critical edition by Philippe Bobichon Dialogue with Trypho the Jew Martyr Justin the Philosopher and those with him at Rome Orthodox Icon and Synaxarion for 1 Juni Dialogus cum Tryphone Judaeo - in Greek Acta S. Iustini et sociorum Martyrologium Romanum Aune, David (1987). The New Testament in its Literary Environment. Westminster John Knox Press. ISBN 978-0664219123.