Stefano Antonio Morcelli (17 January 1737 – 1 January 1822) was an Italian Jesuit scholar, known as an epigraphist. His work De stilo Latinarum inscriptionum libri III, published in three volumes in 1781, which shows a rigorous method, a novelty and originality of approach, as well as a solid preparation, gave him his European fame and is considered a milestone in the development of epigraphy.