Theiss
# 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
* 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
