Maria Teresa of Bragança, Infanta of Portugal (Maria Teresa Carolina Micaela Ana Josefina AntĂłnia Francisca de Assis e de Paula BrĂgida Pia Gerardina Severina Inácia LuĂsa Estanislau Joana Policarpa; 26 January 1881, Ă–denburg, Austria-Hungary – 17 January 1945, Stainach, Nazi Germany) was a member of the House of Braganza and Infanta of Portugal by birth.
Through her marriage to Prince Karl Ludwig of Thurn and Taxis, Maria Theresa was also a member of the House of Thurn and Taxis.