Josef Georg Kornhäusel (13 November 1782, in Vienna - 31 October 1860, in Vienna) was an Austrian architect of the first half of the 19th century. He primarily employed the contemporary style of Neoclassical architecture, moving to the Biedermeier style in his later oevre.
- Domestic architecture: Numerous apartment buildings and villas in Vienna and Baden
- Theater in der Josefstadt, 1822
- Interior of the museum Albertina, 1822
- Stadttempel, the main synagogue of the Jewish community in Vienna, 1824-1826
- Extension to the Schottenstift, 1826-1832
- Extension of the château in Hnojník
- Habsburg Palace in Cieszyn, 1838-1840