Holzmann is a surname. Notable people with the surname include:
Abe Holzmann (1874–1939), German/American composer, who is most famous today for his march Blaze-AwayGerard J. Holzmann (born 1951), American computer scientist, best known as the developer of the SPIN model checkerJohannes Holzmann (1882–1914), German anarchistMarcel Holzmann (born 1990), Austrian footballer who plays for FC LustenauPhilipp Holzmann, German construction company based in Frankfurt am MainThomas Holzmann (born 1987), German professional ice hockey forward