Holzinger (or Hölzinger) is a German surname. It may refer to:
People
Brian Holzinger (born 1972), American ice hockey player Florentina Holzinger (born 1986), Austrian choreographer, director and performance artist Helmuth Holzinger (1928–1992), Austrian entomologist John Michael Holzinger (1853–1929), German-born American bryologist Karl Holzinger (1892–1954), American psychologist Juan José Holzinger (died 1864), German colonel in the Mexican Army during the Texas Revolution
Other Diureticum-Holzinger, another name for the molecule acetazolamide Holzinger class patrol vessel, an offshore patrol vessels class in use by the Mexican Navy
See also Holsinger