Anna Tyszkiewicz (1776–1867) was a Polish noblewoman and diarist.
Anna was the daughter of Ludwik Tyszkiewicz and Konstancja Poniatowska, and married Aleksander Stanislaw Potocki on 15 May 1805 in Wilno, divorced him in 1821 and remarried Stanislaw Dunin-Wasowicz.
Her diary was written between the years 1794 and 1820, and are regarded as an important historical source.