Theiss
Theiss may refer to:
Companies
- Theiss Aviation, an American aircraft manufacturer
 - Konrad Theiss Verlag, a German book publishing company
 
People
- Brooke Theiss (born 1969), American actress
 - Christine Theiss (born 1980), German female world champion in professional full contact kickboxing
 - Hans Theiss (born 1977), German politician
 - Lewis Edwin Theiss (1880–1963), American journalist and author
 - Mike Theiss (born 1978), American photographer
 - William Ware Theiss (1930–1992), American costume designer
 - Theiss., taxonomic author abbreviation of Ferdinand Theissen (1877–1919), German-Austrian mycologist
 
Places
- Lake Theiss or Lake Tisza
 - Theiss River or Tisza
 
See also
- All pages with titles containing Theiss
 - Theis (disambiguation)
 - Tisza (disambiguation)
 - Thiess (disambiguation)
 - Theissen (disambiguation)
 - Thiessen (disambiguation)
 - Tice (disambiguation)