Giuseppe Simone Assemani (Classical Syriac : ܝܵܘܣܸܦ ܒܲܪ ܫܸܡܥܘܿܢ , (Arabic: يوسف بن سمعان السمعاني Yusuf ibn Siman as-Simani, English: Joseph Simon Assemani, Latin: Ioseph Simonius Assemanus; July 27, 1687–January 13, 1768) was a librarian, Lebanese Maronite orientalist, and Catholic bishop. For his efforts, and his encyclopedic knowledge, he earned the nickname "The Great Assemani".