Regulo wa Senlis (kwa Kifaransa: Rieul; aliishi karne ya 4 BK) alikuwa askofu wa kwanza wa Senlis (leo nchini Ufaransa). Tangu kale anaheshimiwa na Wakatoliki na Waorthodoksi kama mtakatifu. Sikukuu yake huadhimishwa tarehe 30 Machi. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko http://www.santiebeati.it/dettaglio/47720 Martyrologium Romanum Henri-Louis-Joseph Blond, "Research on the date of the apostolate of Saint-Rieul", Archaeological Committee of Senlis, Reports and Memories 1863, Senlis 1864, p. 58–96. Amédée Vicomte of Caix de Saint-Aymour, " The legend of Saint-Rieul ", Causeries du besacier: Mixes to serve the history of the countries that today form the department of Oise , Paris, A. Claudin / H Champion, 2nd series, 1895, p. 81-127.