Vinzenz Fischer was a historical painter and professor of architecture at the Academy of Vienna.

Fischer was born at Schmidham, in Bavaria, on 3 April 1729. Following an initial artistic education in Passau, he entered the Vienna Academy as a student in 1751. He made a journey to Italy in 1753–5, and, following his return to Vienna, was accepted as a member of the Academy in 1760. He had a great knowledge of architecture and geometry, and held the post of professor of architecture at the Academy between 1764 and 1808. He died at Vienna on 26 October 1810.