Tannus ibn Yusuf al-Shidyaq (c. 1794 - 1861), also transliterated Tannous el-Chidiac, was a Maronite clerk and emissary of the Shihab emirs, the feudal chiefs and tax farmers of Ottoman Mount Lebanon, and a chronicler best known for his work on the noble families of Mount Lebanon, Akhbar al-a'yan fi Jabal Lubnan (The History of the Notables in Mount Lebanon). He was born in the Keserwan area of Mount Lebanon to a long line of clerks serving the Shihab emirs and other local chieftains. Tannus was taught Arabic and Syriac grammar and throughout his career serving the Shihab emirs and as a merchant, he pursued education in the fields of medicine, jurisprudence, logic, ethics, natural sciences, Turkish and Italian.