Teresa Korwin Gosiewska properly Princess Teresa Sapieha (died 1708) was a Polish noblewoman (szlachcianka) and royal favorite, known for her political activity as the influential confidante of queen Marie Casimire.
By marriage, she attended court regularly, and became a personal friend and confidante of the queen.
In 1694, the queen selected her to escort her daughter to her marriage with the Elector of Bavaria.
During her absence from Poland, she also visited the French royal court of Louis XIV.
In 1701, she was widowed, and in 1703 she finally married her longtime lover Prince Jan Kazimierz Sapieha, de armis Lis (1637–1720), Great Cup-Bearer of Lithuania.