Wilhelm Preetorius
Wilhelm Preetorius is the name of the following people:
- Wilhelm Preetorius (politician) ( Philipp Wilhelm Preetorius ; 1791–1863), German leather manufacturer and politician, MdL Hessen
- Wilhelm Preetorius (diplomat) (1824–1902), German leather manufacturer and diplomat
- Wilhelm Preetorius (art collector) (1852 – after 1911), German entrepreneur and art collector
- Wilhelm Preetorius (actor) (1915–1996), German actor, puppeteer and set designer