Wilhelm Haarmann
Wilhelm Haarmann is the name of the following people:
- Wilhelm Haarmann (public prosecutor) (1845–1924), German public prosecutor and politician
- Wilhelm Haarmann (chemist) (1847–1931), German chemist
- Wilhelm Haarmann (politician) (1912–1990), German politician (CDU)
- Wilhelm Haarmann (lawyer) (* 1950), German lawyer