Wilhelm Haas
Wilhelm Haas is the name of the following people:
- Wilhelm Haas-Münch (1741–1800), Swiss entrepreneur and inventor
- Wilhelm Haas-Decker (1766–1838), Swiss entrepreneur, inventor and politician
- Wilhelm Christoph Jakob August von Haas (1785–1855), Prussian major general
- Wilhelm Ernst Haas (1784–1864) , German manufacturer
- Wilhelm Ernst Haas (1815–1865) , German manufacturer
- Wilhelm Haas (member of the cooperative) (1839–1913), German politician and social reformer
- Wilhelm Haas (librarian) (1842–1918), Austrian librarian
- Wilhelm Haas (diplomat, 1896) (1896–1981), German diplomat
- Wilhelm Haas (SA leader) (1900– ??), German SA brigade leader
- Wilhelm Haas (pedagogue) (1914–1993), German pedagogue and author
- Wilhelm Haas (diplomat, 1931) (* 1931), German diplomat
See also:
- William S. Haas (1883–1956), German-American philosopher, psychologist and sociologist