The Collaborative International Dictionary of English v.0.48:
Viennese \Vi`en*nese"\, a. Of or pertaining to Vienna, or the people of Vienna. -- n. sing. & pl. An inhabitant, or the inhabitants, of Vienna. [1913 Webster]WordNet (r) 3.0 (2006):
Viennese adj 1: of or relating to or characteristic of Vienna or its inhabitants