Anna Tyszkiewicz (26 March 1779 â 16 August 1867) was a Polish noblewoman and diarist.
Anna was the daughter of Ludwik Tyszkiewicz and Konstancja Poniatowska, and married Aleksander Stanisà Âaw Potocki on 15 May 1805 in Wilno, divorced him in 1821 and remarried Stanisà Âaw Dunin-Wàsowicz. Her diary was written between the years 1794 and 1820, and are regarded as an important historical source. It was published in 1897âÂÂ98.