Hajo Meyer (an haife shi Hans Joachim Gustav Meyer; 12 ga watan Agustan shekara ta 1924 - 23 ga watan Agusta shekara ta 2014) masanin kimiyyar Holland ne ɗan ƙasar Jamus, Wanda ya tsira daga Holocaust kuma Mai fafutukar siyasa. Duk da yake an fi saninsa da sharhin jama'a dangane da al'ummar Yahudawa ta Turai, an kuma san shi da aikinsa na jagorantar wurin Philips Natuurkundig Laboratorium na shekaru da yawa.