Johann Joseph Graf von Trautson zu Falkenstein (17 July 1707, Falkenstein – 10 March 1757, Vienna) was a Roman Catholic clergyman, in 1750 was coadjutor of the Archdiocese of Vienna and Titular Archbishop of Cartagine, was appointed from 1751 to 1757 the Prince-Archbishop of Vienna, and was from 1756 to 1757 a cardinal.