Maria Szymanowska (Polish pronunciation: ; born Marianna Agata Wołowska; Warsaw, December 14, 1789 – July 25, 1831, St. Petersburg, Russia) was a Polish composer and one of the first professional virtuoso pianists of the 19th century. She toured extensively throughout Europe, especially in the 1820s, before settling permanently in St. Petersburg. In the Russian imperial capital, she composed for the court, gave concerts, taught music, and ran an influential salon.